chore: more mdbook ci stuff

.github/workflows/mdBook.yml

@@ -1,29 +1,46 @@
 name: mdBook
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - main
   pull_request:
 
-jobs:
-  deploy:
-    runs-on: ubuntu-20.04
-    concurrency:
-      group: ${{ github.workflow }}-${{ github.ref }}
-    steps:
-      - uses: actions/checkout@v2
+permissions:
+  contents: read
+  pages: write
+  id-token: write
 
+# Allow one concurrent deployment
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup Pages
+        uses: actions/configure-pages@v2
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1
         with:
           mdbook-version: "latest"
 
-      - run: mdbook build book
+      - run: mdbook build book -d ../_site
 
-      - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
-        if: ${{ github.ref == 'refs/heads/main' }}
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./book/book
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+  deploy:
+    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@v1

.gitignore

@@ -1,2 +1,3 @@
 /target
 .idea
+_site/