Add CLA Assistant GitHub Action

Author: RobiNino

Diff for: .github/workflows/cla.yml

@@ -0,0 +1,28 @@
+name: "CLA Assistant"
+on:
+  issue_comment:
+    types: [created]
+  pull_request_target:
+    types: [opened,synchronize]
+
+jobs:
+  CLAssistant:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "CLA Assistant"
+        if: (github.event.comment.body == 'recheckcla' || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA') || github.event_name == 'pull_request_target'
+        # Alpha Release
+        uses: cla-assistant/github-action@v2.0.1-alpha
+        env:
+          # Generated and maintained by github
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          # JFrog organization secret
+          PERSONAL_ACCESS_TOKEN : ${{ secrets.CLA_SIGN_TOKEN }}
+        with:
+          path-to-signatures: 'signed_clas.json'
+          path-to-cla-document: 'https://jfrog.com/privacy-policy/cla/'
+          remote-organization-name: 'jfrog'
+          remote-repository-name: 'jfrog-signed-clas'
+          # branch should not be protected
+          branch: 'master'
+          allowlist: bot*