build: add deploy

Author: qqracha

.github/workflows/deploy.yml

@@ -0,0 +1,18 @@
+name: Deploy MkDocs to GitHub Pages
+on:
+  push:
+    branches: ["main"]
+
+permissions:
+  contents: write
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
+      - run: pip install -r requirements.txt
+      - run: mkdocs gh-deploy --force