Add placeholder for documentation and readthedocs config

.readthedocs.yaml

@@ -0,0 +1,6 @@
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.10"

MANIFEST.in

@@ -1,7 +1,9 @@
 include ChangeLog LICENSE README.rst
 include Makefile
 
+graft docs
 graft src
 graft tests
 
+exclude .readthedocs.yaml
 global-exclude *.py[cod] __pycache__ .*.sw[po]

docs/Makefile

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+# Minimal makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line, and also
+# from the environment for the first two.
+SPHINXOPTS    ?=
+SPHINXBUILD   ?= sphinx-build
+SOURCEDIR     = .
+BUILDDIR      = _build
+
+# Put it first so that "make" without argument is like "make help".
+help:
+	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+.PHONY: help Makefile
+
+# Catch-all target: route all unknown targets to Sphinx using the new
+# "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
+%: Makefile
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

docs/conf.py

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+# Configuration file for the Sphinx documentation builder.
+#
+# For the full list of built-in configuration values, see the documentation:
+# https://www.sphinx-doc.org/en/master/usage/configuration.html
+
+# -- Project information -----------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
+
+project = 'sipmessage'
+copyright = '2024, Spacinov Engineering'
+author = 'Spacinov Engineering'
+
+# -- General configuration ---------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
+
+extensions = []
+
+templates_path = ['_templates']
+exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+
+# -- Options for HTML output -------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
+
+html_theme = 'alabaster'
+html_static_path = ['_static']

docs/index.rst

@@ -0,0 +1,16 @@
+sipmessage
+==========
+
+.. image:: https://img.shields.io/pypi/l/sipmessage.svg
+   :target: https://pypi.python.org/pypi/sipmessage
+   :alt: License
+
+.. image:: https://img.shields.io/pypi/v/sipmessage.svg
+   :target: https://pypi.python.org/pypi/sipmessage
+   :alt: Version
+
+The ``sipmessage`` project provides a set of Python helpers and structures
+for parsing SIP messages.
+
+.. toctree::
+   :maxdepth: 2