Show last_updated in docs (#1888)

* Show last_updated in docs

* Use sphinx-last-updated-by-git

* Set fetch-depth: 0

Author: mathbunnyru

.github/workflows/sphinx.yml

@@ -33,6 +33,8 @@ jobs:
     steps:
       - name: Checkout Repo ⚡️
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
 
       - name: Set Up Python 🐍
         uses: actions/setup-python@v4

docs/conf.py

@@ -48,8 +48,9 @@
         "text": html_title,
     },
 }
+html_last_updated_fmt = "%Y-%m-%d"
 
-extensions = ["myst_parser", "sphinx_copybutton"]
+extensions = ["myst_parser", "sphinx_copybutton", "sphinx_last_updated_by_git"]
 source_suffix = {
     ".rst": "restructuredtext",
     ".md": "markdown",

docs/requirements.txt

@@ -5,3 +5,4 @@ myst-parser>=0.18.0
 sphinx>=4.5.0
 sphinx-book-theme==1.0.0
 sphinx-copybutton>=0.5.0
+sphinx-last-updated-by-git>=0.3.4