[DOC] Add contributor's guide to the docs (#234)

* add contributor guide to rendered docs

* remove unused link

* add contributors guide

Author: lmmentel

CONTRIBUTING.md

@@ -24,7 +24,6 @@ All types of contributions are encouraged and valued. See the [Table of Contents
   - [Improving The Documentation](#improving-the-documentation)
 - [Styleguides](#styleguides)
   - [Commit Messages](#commit-messages)
-- [Join The Project Team](#join-the-project-team)
 
 
 ## Code of Conduct

docs/requirements.txt

@@ -1,5 +1,6 @@
 bokeh
 jupyter_bokeh
+myst-parser
 seaborn
 plotly
 ipython

docs/source/CONTRIBUTING.md

@@ -0,0 +1 @@
+../../CONTRIBUTING.md

docs/source/conf.py

@@ -51,6 +51,7 @@
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
+    "myst_parser",
     "sphinx_copybutton",
     "sphinx_issues",  # linking github issues, prs, users
     "sphinx_material",
@@ -110,7 +111,10 @@
 templates_path = ["_templates"]
 
 # The suffix of source filenames.
-source_suffix = ".rst"
+source_suffix = {
+    ".rst": "restructuredtext",
+    ".md": "markdown",
+}
 
 # The encoding of source files.
 # source_encoding = 'utf-8-sig'
@@ -120,7 +124,7 @@
 
 # General information about the project.
 project = "mendeleev"
-copyright = "2024, Lukasz Mentel"
+copyright = "2025, Lukasz Mentel"
 
 # Link to GitHub repo for github_issues extension
 issues_github_path = "lmmentel/mendeleev"

docs/source/index.rst

@@ -28,6 +28,7 @@ the periodic table of elements.
    Data <data>
    Accessing data <data_access>
    Electronegativity <electronegativity>
+   Contributing guide <CONTRIBUTING>
    API Reference <api/api>
    Bibliography <bibliography>
    Changes <changes_link>