add GH action to upload to amazon

Add action to publish on tags.

Signed-off-by: Anas Nashif <[email protected]>

.github/workflows/publish.yml

@@ -0,0 +1,41 @@
+name: Build PR with Maven
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Configure AWS Credentials
+      uses: aws-actions/configure-aws-credentials@v1
+      with:
+        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+        aws-region: us-east-1
+
+    - name: Checkout commits
+      uses: actions/checkout@v2
+
+    - name: Set up JDK 11
+      uses: actions/setup-java@v1
+      with:
+        java-version: 11
+
+    - name: Build with Maven
+      run: mvn -B package --file pom.xml
+
+    - name: Upload build artifacts
+      uses: actions/upload-artifact@v1
+      with:
+        name: zephyr_eclipse_p2_repo
+        path: maven/repository/target/repository
+
+    - name: Upload to AWS S3
+      run: |
+        echo "publish latest docs"
+        aws s3 sync  --quiet maven/repository/target/repository s3://builds.zephyrproject.org/eclipse-plugin --delete