actions: Improve image's tags and labels

Set 'version' pattern for tags and added labels to image.

Author: vasilev

.github/workflows/dockerimage.yml

@@ -34,13 +34,19 @@ jobs:
           images: |
             vasilev/clojurescript
             ghcr.io/vasilev/clojurescript
+          tags: |
+            type=pep440,pattern={{version}}
+          labels: |
+            org.opencontainers.image.licenses=MIT, EPL-1.0, and more. Please see licensing terms for ClojureScript and [Node.js](https://hub.docker.com/_/node#License) first.
+
             
       - name: Debug Print metadata
-        run: echo "${{ steps.metadata.outputs }}"
+        run: echo '${{ steps.metadata.outputs.json }}'
 
       - name: Build and push the image
         uses: docker/build-push-action@v2
         with:
           context: .
           push: true
           tags: ${{ steps.metadata.outputs.tags }}
+          labels: ${{ steps.metadata.outputs.labels }}