Adaptation for new Docusaurus-based website (lf-lang#187)

* Replace config git edit URL with new repo's URL

* Add CI for docusaurus

---------

Co-authored-by: Kagamihara Nadeshiko <[email protected]>

Author: 2 people

.github/workflows/deploy.yml

@@ -0,0 +1,52 @@
+# https://docusaurus.io/docs/deployment#triggering-deployment-with-github-actions
+# Author: axmmisaka; WTFPL or BSD 3-clause
+
+name: Deploy to GitHub Pages
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+    # Review gh actions docs if you want to further define triggers, paths, etc
+    # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#on
+
+permissions:
+  contents: write
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    name: Deploy to GitHub Pages
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: yarn
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+      - name: Build website
+        run: yarn build
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v2
+        with:
+          path: ./build
+
+  # Deployment job
+  deploy:
+    if: ${{ github.event_name == 'push' && github.ref_name == 'main' }}
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v3
+
+# TODO: Deploy to some third-party place for preview?

docusaurus.config.ts

@@ -41,7 +41,7 @@ const config: Config = {
           // Please change this to your repo.
           // Remove this to remove the "edit this page" links.
           editUrl:
-            'https://github.com/axmmisaka/lf-docs-docusaurus/tree/master/docs/',
+            'https://github.com/lf-lang/lf-lang.github.io/tree/master/',
           beforeDefaultRemarkPlugins: [
             // Honestly, I recommend not using this because I am not confident with my coding skill......
             // TransformDynamicLFFileImportToStatic