move docs out of README (#173)

Author: resmo

.github/dependabot.yml

@@ -11,6 +11,7 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+
   - package-ecosystem: "docker"
     directory: "/"
     schedule:

.github/workflows/docs.yml

@@ -0,0 +1,45 @@
+name: Publish Docs
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Setup Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.x"
+
+      - name: Upgrade pip
+        run: |
+          # install pip=>20.1 to use "pip cache dir"
+          python3 -m pip install --upgrade pip
+
+      - name: Get pip cache dir
+        id: pip-cache
+        run: echo "::set-output name=dir::$(pip cache dir)"
+
+      - name: Cache dependencies
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.pip-cache.outputs.dir }}
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements-docs.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
+      - name: Install dependencies
+        run: python3 -m pip install -r ./requirements-docs.txt
+
+      - run: mkdocs build
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./site