Add CLA Assistant GitHub workflow (#659)

Author: pellared

.github/workflows/cla.yml

@@ -0,0 +1,30 @@
+name: "CLA Assistant"
+on:
+  issue_comment:
+    types: [created]
+  pull_request_target:
+    types: [opened, closed, synchronize]
+
+permissions:
+  actions: write
+  contents: read
+  pull-requests: write
+  statuses: write
+
+jobs:
+  ContributorLicenseAgreement:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "CLA Assistant"
+        if: (github.event.comment.body == 'recheck' || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA') || github.event_name == 'pull_request_target'
+        uses: cla-assistant/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PERSONAL_ACCESS_TOKEN: ${{ secrets.PAT_CLATOOL }}
+        with:
+          remote-organization-name: splunk
+          remote-repository-name: cla-agreement
+          branch: main
+          path-to-signatures: signatures/version1/cla.json
+          path-to-document: https://github.com/splunk/cla-agreement/blob/main/CLA.md
+          allowlist: dependabot

CONTRIBUTING.md

@@ -74,6 +74,9 @@ GitHub provides additional documentation on [forking a
 repository](https://help.github.com/articles/fork-a-repo/) and [creating a pull
 request](https://help.github.com/articles/creating-a-pull-request/).
 
+Before your contribution can be accepted, you will be asked to sign our
+[Splunk Contributor License Agreement (CLA)](https://github.com/splunk/cla-agreement/blob/main/CLA.md).
+
 ## Finding contributions to work on
 
 Looking at the existing issues is a great way to find something to contribute
@@ -85,7 +88,3 @@ any 'help wanted' issues is a great place to start.
 
 See the [LICENSE](LICENSE) file for our repository's licensing. We will ask you to
 confirm the licensing of your contribution.
-
-### Contributor License Agreement
-
-Before contributing, you must sign the [Splunk Contributor License Agreement (CLA)](https://www.splunk.com/en_us/form/contributions.html).