feat: maven package + publish jar

Author: SuperCrafting

.github/workflows/build.yml

@@ -24,4 +24,19 @@ jobs:
           distribution: 'temurin'
 
       - name: Build with Gradle
-        run: ./gradlew build
+        run: ./gradlew build
+
+      - name: Upload JAR file
+        uses: actions/upload-artifact@v4
+        with:
+          name: Artifacts
+          path: build/libs/*.jar
+
+      - name: Publish
+        if: github.ref == 'refs/heads/main' && github.repository_owner == 'SuperCrafting'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_USERNAME: ${{ github.repository_owner }}
+          GITHUB_REPOSITORY: ${{ github.repository }}
+          BUILD_VERSION: ${{ github.run_number }}
+        run: ./gradlew publish

.github/workflows/release.yml

@@ -1,5 +1,6 @@
 plugins {
     id 'java'
+    id 'maven-publish'
 }
 
 group = 'pt.supercrafting.menu'
@@ -28,4 +29,31 @@ dependencies {
 
 test {
     useJUnitPlatform()
+}
+
+publishing {
+
+    publications {
+        maven(MavenPublication) {
+            groupId = project.group
+            artifactId = 'menu-api'
+            version = project.version
+
+            from components.java
+        }
+    }
+
+    repositories {
+        maven {
+            credentials {
+                username System.getenv('GITHUB_USERNAME')
+                password System.getenv('GITHUB_TOKEN')
+            }
+            name = "menu-api"
+
+            String owner = System.getenv('GITHUB_USERNAME')
+            String repository = System.getenv('GITHUB_REPOSITORY') ?: 'menu-api'
+            url = "https://maven.pkg.github.com/" + owner "/" + repository
+        }
+    }
 }