Add code and image security and licencing scan (#26)

Author: saumas

.github/workflows/build.yaml

@@ -75,3 +75,10 @@ jobs:
           tags: |
             castai/cluster-controller:${{ env.RELEASE_TAG }}
             castai/cluster-controller:latest
+
+      - name: FOSSA scan docker image
+        if: github.event_name == 'release'
+        uses: fossas/fossa-action@v1
+        with:
+          api-key: ${{ secrets.FOSSA_API_KEY }}
+          container: castai/cluster-controller:${{ env.RELEASE_TAG }}

.github/workflows/fossa.yaml

@@ -0,0 +1,15 @@
+name: FOSSA
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  fossa-scan:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: fossas/fossa-action@v1
+        with:
+          api-key: ${{ secrets.FOSSA_API_KEY }}