add github deploy action

.github/maven/settings.xml

@@ -0,0 +1,12 @@
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 https://maven.apache.org/xsd/settings-1.0.0.xsd">
+
+    <servers>
+        <server>
+            <id>github</id>
+            <username>${env.GITHUB_ACTOR}</username> <!-- Automatically uses the GitHub username -->
+            <password>${env.GITHUB_TOKEN}</password> <!-- Uses the GitHub Actions token for authentication -->
+        </server>
+    </servers>
+</settings>

.github/workflows/publish.yml

@@ -0,0 +1,31 @@
+name: Publish jFaaS:jFaaS:x.y.z to GitHub Packages
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version of the JAR to publish (e.g., 1.0.0, 1.0.1, etc.)'
+        required: true
+        default: '1.0-SNAPSHOT' # Optional, you can set a default version if you want
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with: 
+          java-version: '11'
+          distribution: 'temurin'
+
+      - name: Create jar file
+        run: ./gradlew clean build && ./gradlew shadowJar
+
+      - name: Deploy JAR to GitHub Packages
+        run: mvn deploy:deploy-file -Dfile=./build/libs/jFaaS-all.jar -DgroupId=jfaas -DartifactId=jfaas -Dversion=${{ github.event.inputs.version }} -Dpackaging=jar -DrepositoryId=github -Durl=https://maven.pkg.github.com/sashkoristov/jFaaS -DgeneratePom=true -Dmaven.resolver.transport=wagon -e -X
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} 

build.gradle

@@ -48,6 +48,17 @@ publishing {
             from(components.java)
         }
     }
+
+    repositories {
+	maven {
+	    name = "GitHubPackages"
+	    url = "https://maven.pkg.github.com/sashkoristov/jFaaS"
+	    credentials {
+	        username = System.getenv("GITHUB_ACTOR")
+	        password = System.getenv("GITHUB_TOKEN")
+            }
+	}
+    }
 }
 
 mainClassName = 'jFaaS.Gateway'