Build the documentation in GH Actions

Author: DerEchtePilz

.github/workflows/build.yml

@@ -29,6 +29,14 @@ jobs:
         with:
           globs: 'docssrc/src/*.md'
 
+      - name: Build the documentation with mdBook
+        continue-on-error: true # If link checking fails with 403, that's probably just a timing/automated-related issue. We can ignore those - forcing the whole build to fail for this is not ideal.
+        run: |
+          cd docssrc
+          curl -LJO https://github.com/JorelAli/mdBook/releases/download/v0.4.21-fa6/mdbook-fa6 && chmod +x mdbook-fa6
+          mkdir -p mdbook-linkcheck && cd "$_" && curl -L https://github.com/Michael-F-Bryan/mdbook-linkcheck/releases/latest/download/mdbook-linkcheck.x86_64-unknown-linux-gnu.zip -o mdbook-linkcheck.zip && unzip "$_" && chmod +x mdbook-linkcheck && export PATH=$PWD:$PATH && cd ..
+          ./mdbook-fa6 build
+
       - name: Build commandapi-documentation-code
         run: cd commandapi-documentation-code && ./gradlew build