docs(markdown): migrate docs from rst to md (#422)

Migrated docs from `readthedocs.io` to `github.io`.

---------

Co-authored-by: Artem Rys <rysartem@gmail.com>

Author: hetangmodi-crest

.github/workflows/docs.yml

@@ -0,0 +1,29 @@
+name: docs
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pages: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.8
+      - run: |
+          curl -sSL https://install.python-poetry.org | python3 - --version 1.5.1
+          pip install mkdocs mkdocs-material mkdocstrings-python
+      - name: Deploy to GitHub Pages
+        if: github.ref_name == 'main'
+        run: mkdocs gh-deploy --force --strict
+      - name: Build Docs
+        if: github.ref_name != 'main'
+        run: mkdocs build --strict

.gitignore

@@ -101,9 +101,9 @@ celerybeat.pid
 
 # Environments
 .env
-.venv
+# ignore all venv with different Py versions
+.venv*
 env/
-venv/
 ENV/
 env.bak/
 venv.bak/