Do spotless checks on each github action build

.github/workflows/build.yml

@@ -31,7 +31,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-bluemap-
       - name: Build with Gradle
-        run: ./gradlew clean test build
+        run: ./gradlew clean spotlessCheck test build
       - uses: actions/upload-artifact@v2
         with:
           name: artifacts

build.gradle.kts

@@ -28,6 +28,12 @@ tasks.register("spotlessApply") {
     }
 }
 
+tasks.register("spotlessCheck") {
+    gradle.includedBuilds.forEach {
+        dependsOn(it.task(":spotlessCheck"))
+    }
+}
+
 tasks.register("publish") {
     gradle.includedBuilds.forEach {
         dependsOn(it.task(":publish"))