added DCO check on every pull request

.github/workflows/dco.yaml

@@ -0,0 +1,25 @@
+name: DCO-check
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  check:
+    name: DCO 
+    runs-on: ubuntu-latest
+    # This 'if' condition will only run the job if the actor is not dependabot[bot]
+    if: github.actor != 'dependabot[bot]'
+    steps:
+      - uses: actions/checkout@v5
+      - name: Set up Python 3.x
+        uses: actions/setup-python@v6
+        with:
+          python-version: '3.x'
+      - name: Check DCO
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          pip3 install -U dco-check
+          dco-check

DCO

@@ -0,0 +1,34 @@
+Developer Certificate of Origin
+Version 1.1
+
+Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+
+Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the open source license
+    indicated in the file; or
+
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the same open source license (unless I am
+    permitted to submit under a different license), as indicated
+    in the file; or
+
+(c) The contribution was provided directly to me by some other
+    person who certified (a), (b) or (c) and I have not modified
+    it.
+
+(d) I understand and agree that this project and the contribution
+    are public and that a record of the contribution (including all
+    personal information I submit with it, including my sign-off) is
+    maintained indefinitely and may be redistributed consistent with
+    this project or the open source license(s) involved.

README.md

@@ -3,4 +3,11 @@ KubeStellar UI plugin repository
 
 # Follow Documentation for building own plugin 
 
-- [Documentation](./docs/plugindevelopment.md) 
+- [Documentation](./docs/plugindevelopment.md)
+
+## Contributing
+
+By contributing to this project you agree to the Developer Certificate of
+Origin (DCO). This document was created by the Linux Kernel community and is a
+simple statement that you, as a contributor, have the legal right to make the
+contribution. See the [DCO](DCO) file for details.