added github package workflow

.github/workflows/gradle-publish.yml

@@ -0,0 +1,39 @@
+name: Gradle Package
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - name: Setting up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action@v2
+        env:
+          CI: true
+        with:
+          arguments: genSources build
+
+      - name: Publish to GitHub Packages
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: publish
+        env:
+          GITHUB_ACTOR: ${{ github.actor }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

build.gradle

@@ -128,4 +128,15 @@ publishing {
             from components.java
         }
     }
+
+    repositories {
+        maven {
+            name = "GitHubPackages"
+            url = "https://maven.pkg.github.com/CCBlueX/mcef"
+            credentials {
+                username = System.getenv("GITHUB_ACTOR")
+                password = System.getenv("GITHUB_TOKEN")
+            }
+        }
+    }
 }