harness CI drone plugin PLUGIN_KSM_CONFIG convention added, multi-platform Docker (amd64/arm64) support and added MIT license

.github/workflows/publish.harness.yml

@@ -101,10 +101,11 @@ jobs:
           echo "Image tag: ${IMAGE_TAG}"
           echo "Latest tag: ${LATEST_TAG}"
 
-      - name: Build Docker image
+      - name: Build Docker image (multi-platform)
         uses: docker/build-push-action@v5
         with:
           context: .
+          platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name != 'workflow_dispatch' && startsWith(github.ref, 'refs/tags/') }}
           tags: |
             ${{ steps.docker_tags.outputs.IMAGE_TAG }}
@@ -281,11 +282,10 @@ jobs:
                 spec:
                   image: ${{ steps.docker_image.outputs.IMAGE_NAME }}
                   settings:
+                    ksm_config: <+secrets.getValue("Keeper_Config_Secret")>
                     secrets: |
                       VeYTRo-PHElAwfQT6f0TIA/field/password > DB_PASSWORD
                       VeYTRo-PHElAwfQT6f0TIA/field/login > DB_USERNAME
-                  envVariables:
-                    KSM_CONFIG: <+secrets.getValue("Keeper_Config_Secret")>
             ```
             
             ### What's Changed
@@ -293,4 +293,4 @@ jobs:
           draft: false
           prerelease: false
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}