Add Snyk CI scan for security scan on the repo

Signed-off-by: Bonface Shisakha Asunga <[email protected]>

.github/workflows/snyk-security-scan.yml

@@ -0,0 +1,22 @@
+name: Snyk Security Scan GitHub Actions
+on: 
+  push:
+    - master
+    - develop
+  pull-request:
+jobs:
+  security:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Run Snyk to check for vulnerabilities
+        uses: snyk/actions/gradle@master
+        continue-on-error: true # To make sure that SARIF upload gets called
+        env:
+          SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
+        with:
+          args: --sarif-file-output=snyk.sarif --severity-threshold=high
+      - name: Upload result to GitHub Code Scanning
+        uses: github/codeql-action/upload-sarif@v2
+        with:
+          sarif_file: snyk.sarif