build: create workflow to publish to Maven packages once a release is…

… created

.github/workflows/publish.yaml

@@ -0,0 +1,20 @@
+name: Publish package to GitHub Packages
+on:
+  release:
+    types: [created]
+jobs:
+  publish:
+    runs-on: ubuntu-latest 
+    permissions: 
+      contents: read
+      packages: write 
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          java-version: '1.8'
+          distribution: 'adopt'
+      - name: Publish package
+        run: mvn --batch-mode deploy
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

pom.xml

@@ -23,6 +23,14 @@
         <url>https://github.com/jfposton/yt-dlp-java</url>
     </scm>
 
+    <distributionManagement>
+        <repository>
+            <id>github</id>
+            <name>GitHub Packages</name>
+            <url>https://maven.pkg.github.com/jfposton/yt-dlp-java</url>
+        </repository>
+    </distributionManagement>
+
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <jackson.version>2.13.3</jackson.version>