Revert "Remove Site CI check"

This reverts commit e317813.

Author: bitwiseman

.github/workflows/maven-build.yml

@@ -32,6 +32,28 @@ jobs:
         env:
           MAVEN_OPTS: ${{ env.JAVA_11_PLUS_MAVEN_OPTS }}
         run: mvn -B clean install -DskipTests --file pom.xml
+  site:
+    name: site (Java ${{ matrix.java }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        java: [ 8, 11 ]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: ${{ matrix.java }}
+          distribution: 'adopt'
+      - uses: actions/[email protected]
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+      - name: Maven Site
+        run: mvn -B  clean site -D enable-ci --file pom.xml
   test:
     name: test (${{ matrix.os }}, Java ${{ matrix.java }})
     runs-on: ${{ matrix.os }}-latest