chore: Add lint workflow

.github/workflows/lint.yml

@@ -25,11 +25,13 @@ jobs:
       cancel-in-progress: true
 
     steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v3
-
-      # - name: Install Linter
-      #   run: 
-
-      # - name: Run Linter
-      #   run: 
+    - name: Checkout Repository
+      uses: actions/checkout@v3
+    - name: Set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+        cache: maven
+    - name: Fmt Check
+      run: mvn com.spotify.fmt:fmt-maven-plugin:check -B -ntp

pom.xml

@@ -14,6 +14,10 @@
  limitations under the License.
 -->
 
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>sdk-platform-java-config</artifactId>
@@ -32,9 +36,6 @@
         <jackson.version>2.15.2</jackson.version>
         <google.auth.version>1.23.0</google.auth.version>
     </properties>
-        <jackson.version>2.15.2</jackson.version>
-        <google.auth.version>1.23.0</google.auth.version>
-    </properties>
 
     <dependencies>
         <!-- JSON Processing -->
@@ -66,4 +67,21 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>com.spotify.fmt</groupId>
+                <artifactId>fmt-maven-plugin</artifactId>
+                <version>2.28</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>check</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
 </project>