refactor: simplify game code

.github/workflows/ci.yml

@@ -0,0 +1,44 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+    tags: ['v*']
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 21
+          cache: maven
+
+      - run: mvn verify --batch-mode --no-transfer-progress
+
+      - run: mvn package --batch-mode --no-transfer-progress -DskipTests
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: javasnake
+          path: target/javasnake-*.jar
+
+  release:
+    needs: build
+    if: startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: javasnake
+
+      - uses: softprops/action-gh-release@v2
+        with:
+          files: javasnake-*.jar

pom.xml

@@ -38,12 +38,30 @@
         <artifactId>maven-surefire-plugin</artifactId>
         <version>3.5.2</version>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-shade-plugin</artifactId>
+        <version>3.6.0</version>
+        <executions>
+          <execution>
+            <phase>package</phase>
+            <goals><goal>shade</goal></goals>
+            <configuration>
+              <transformers>
+                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                  <mainClass>com.mapna.snake.Game</mainClass>
+                </transformer>
+              </transformers>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>
         <version>3.3.0</version>
         <configuration>
-          <mainClass>Game</mainClass>
+          <mainClass>com.mapna.snake.Game</mainClass>
         </configuration>
       </plugin>
     </plugins>