Fix/trafo k t values

.github/ISSUE_TEMPLATE/blank_template.yaml

@@ -0,0 +1,34 @@
+name: Blank template
+description: Template for issues that are no bug report or feature request
+title: 'YOUR TITLE'
+labels: []
+
+body:
+  - type: checkboxes
+    id: checks
+    attributes:
+      label: Feature Checklist
+      description: Please make sure that the feature does not already exist.
+      options:
+        - label: >
+            Searched the [issues page](https://github.com/e2nIEE/pandapower/issues) for similar reports
+        - label: >
+            Read the relevant sections of the [documentation](https://pandapower.readthedocs.io/en/latest/about.html)
+        - label: >
+            Browse the [tutorials](https://github.com/e2nIEE/pandapower/tree/develop/tutorials) and [tests](https://github.com/e2nIEE/pandapower/tree/develop/pandapower/test) for usefull code snippets and examples of use
+  - type: textarea
+    id: description
+    attributes:
+      label: Issue
+      description: Describe your issue.
+
+    validations:
+      required: true
+  - type: checkboxes
+    id: label_checks
+    attributes:
+      label: Label
+      description: Choose `labels` at the right side (e.g. `bug`, `controller`, `OPF`...).
+      options:
+        - label: >
+            Relevant labels are selected

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -0,0 +1,84 @@
+name: Bug Report
+description: Report incorrect behavior in the pandapower library
+title: '[bug] YOUR TITLE'
+labels: bug
+
+body:
+  - type: checkboxes
+    id: checks
+    attributes:
+      label: Bug report checklis
+      options:
+        - label: >
+            Searched the [issues page](https://github.com/e2nIEE/pandapower/issues) for similar reports
+          required: true
+        - label: >
+            Read the relevant sections of the [documentation](https://pandapower.readthedocs.io/en/latest/about.html)
+          required: true
+        - label: >
+            Browse the [tutorials](https://github.com/e2nIEE/pandapower/tree/develop/tutorials) and [tests](https://github.com/e2nIEE/pandapower/tree/develop/pandapower/test) for usefull code snippets and examples of use
+        - label: >
+            Reproduced the issue after updating with `pip install --upgrade pandapower` (or `git pull`)
+          required: true
+        - label: >
+            Tried basic troubleshooting (if a bug/error) like restarting the interpreter and checking the pythonpath
+          required: true
+
+  - type: textarea
+    id: example
+    attributes:
+      label: Reproducible Example
+      description: >
+        Please follow [this guide](https://matthewrocklin.com/blog/work/2018/02/28/minimal-bug-reports) on how to
+        provide a minimal, copy-pastable example.
+      placeholder: >
+        import pandapower as pp
+
+        net = pp.create_empty_network()
+
+        ...
+      render: python
+    validations:
+      required: true
+  - type: textarea
+    id: problem
+    attributes:
+      label: Issue Description and Traceback
+      description: >
+        Please provide a description of the issue and the Traceback/Error.
+    validations:
+      required: true
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected Behavior
+      description: >
+        Please describe or show a code example of the expected behavior.
+    validations:
+      required: true
+  - type: textarea
+    id: version
+    attributes:
+      label: Installed Versions
+      description: >
+        Please paste the output of ``pd.show_versions()``
+      value: >
+        * python version:
+        * pandas version: 
+        * networkx version: 
+        * scipy version: 
+        * numpy version: 
+        * packaging version: 
+        * tqdm version: 
+        * deepdiff version: 
+        * Operating System name/version:
+    validations:
+      required: true
+  - type: checkboxes
+    id: label_checks
+    attributes:
+      label: Label
+      description: Choose `labels` at the right side (e.g. `bug`, `controller`, `OPF`...).
+      options:
+        - label: >
+            Relevant labels are selected

.github/ISSUE_TEMPLATE/config.yml → .github/ISSUE_TEMPLATE/config.yaml

@@ -1,10 +1,10 @@
 # disable blank issue creation
 blank_issues_enabled: false
 #
-#contact_links:
-#  - name: GitHub Community Support
-#    url: https://github.com/orgs/community/discussions
+contact_links:
+  - name: pandapower  discussions
+    url: https://github.com/e2nIEE/pandapower/discussions
 #    about: Please ask and answer questions here.
 #  - name: GitHub Security Bug Bounty
 #    url: https://bounty.github.com/
-#    about: Please report security vulnerabilities here.
+#    about: Please report security vulnerabilities here.

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -0,0 +1,61 @@
+name: Feature Request
+description: Suggest an idea for pandapower
+title: '[feature] YOUR TITLE'
+labels: [Enhancement]
+
+body:
+  - type: checkboxes
+    id: checks
+    attributes:
+      label: Feature Checklist
+      description: Please make sure that the feature does not already exist.
+      options:
+        - label: >
+            Searched the [issues page](https://github.com/e2nIEE/pandapower/issues) for similar feature requests
+        - label: >
+            Read the relevant sections of the [documentation](https://pandapower.readthedocs.io/en/latest/about.html)
+        - label: >
+            Browse the repository, [tutorials](https://github.com/e2nIEE/pandapower/tree/develop/tutorials) and [tests](https://github.com/e2nIEE/pandapower/tree/develop/pandapower/test) for already existing functionalities
+  - type: checkboxes
+    id: feature_checks
+    attributes:
+      label: Feature Type
+      description: Please check what type of feature request you would like to propose.
+      options:
+        - label: >
+            Adding new functionality to pandapower
+        - label: >
+            Changing existing functionality in pandapower
+        - label: >
+            Removing existing functionality in pandapower
+  - type: textarea
+    id: description
+    attributes:
+      label: Problem Description
+      description: >
+        Please describe what problem the feature would solve.
+    validations:
+      required: true
+  - type: textarea
+    id: feature
+    attributes:
+      label: Feature Description
+      description: >
+        Please describe how the new feature would be implemented.
+    validations:
+      required: true
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional Context
+      description: >
+        Please provide any relevant GitHub issues, code examples or references that help describe and support
+        the feature request.
+  - type: checkboxes
+    id: label_checks
+    attributes:
+      label: Label
+      description: Choose `labels` at the right side (e.g. `bug`, `controller`, `OPF`...).
+      options:
+        - label: >
+            Relevant labels are selected