Add linkcheck (#29)

Author: lystopad

.github/workflows/pages-deployment.yaml

@@ -26,10 +26,11 @@ jobs:
           mkdir mdbook
           curl -sSL $url | tar -xz --directory=./mdbook
           echo `pwd`/mdbook >> $GITHUB_PATH
-      - name: Build Book
+      - name: Add linkchek and run build Book
         run: |
           # This assumes your book is in the root of your repository.
           # Just add a `cd` here if you need to change to another directory.
+          cargo install mdbook-linkcheck
           mdbook build
       - name: Publish
         uses: cloudflare/wrangler-action@v3

book.toml

@@ -14,3 +14,5 @@ preferred-dark-theme = "Ayu"
 [output.html.fold]
 enable = true    # whether or not to enable section folding
 level = 1         # the depth to start folding
+
+[output.linkcheck]