Merge #2618 and doing some overdue amendments

CONTRIBUTING.md

@@ -5,12 +5,21 @@ Contributing / participating is always welcome!
 
 Please note the following:
 
-* Please read at least the [coding convention](https://github.com/testssl/testssl.sh/blob/3.2/Coding_Convention.md).
-* One pull request per feature or bug fix or improvement. Please do not mix issues.
-* Document your pull request, both in the pull request and/or commit message and in the code.
+* Please read the [coding convention](https://github.com/testssl/testssl.sh/blob/3.2/Coding_Convention.md).
+* If you have something new and/or bigger which you like to contribute, better open an issue first before you get frustrated.
+* Please one pull request per feature or bug fix or improvement. Please do not mix issues.
+* Documention pays off in the long run. So please your document your code and the pull request and/or commit message.
 * Please test your changes thoroughly as reliability is important for this project. You may want to check different servers with different settings.
-* GitHub Actions runs automatically when anything is committed. You should check any complains from GitHub Actions. Beforehand you can check with `prove -v`.
-* If it's a new feature, please consider writing a unit test for it. You can use e.g. `t/20_baseline_ipv4_http.t` as a template. The general documentation for [Test::More](https://perldoc.perl.org/Test/More.html) is a good start.
+* GitHub actions are running automatically when anything is committed. You should see any complains. Beforehand you can check with `prove -v` from the "root dir"of tjhis project
+* If it's a new feature, please consider writing a unit test for it. You can use e.g. `t/10_baseline_ipv4_http.t` or `t/61_diff_testsslsh.t` as a template. The general documentation for [Test::More](https://perldoc.perl.org/Test/More.html) is a good start.
 * If it's a new feature, it would need to be documented in the appropriate section in `help()` and in `~/doc/testssl.1.md`
 
-For the questions, just open an issue.
+If you're interested in contributing and wonder how you can help, you can search for different tags in the issues (somehwat increasing degree of difficulty):
+* [documentation](https://github.com/testssl/testssl.sh/issues?q=is:issue%20state:open%20label:documentation)
+* [good first issue](https://github.com/testssl/testssl.sh/issues?q=is:issue%20state:open%20label:%22good%20first%20issue%22)
+* [help wanted](https://github.com/testssl/testssl.sh/issues?q=is:issue%20state:open%20label:%22help%20wanted%22)
+* [for grabs](https://github.com/testssl/testssl.sh/issues?q=is:issue%20state:open%20label:%22good%20first%20issue%22)
+
+For questions just open an issue.  Thanks for reading this!
+
+