try to use github actions

.github/workflows/gh-pages.yml

@@ -0,0 +1,31 @@
+name: github pages
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-22.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Build with mdBook Docker image
+        run: docker run --rm -v .:/book eliyip/mdbook-katex:latest
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: "book"
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4