ci: add GitHub Actions workflow for Repolinter

This adds a basic Repolinter GitHub Actions workflow to ensure repository best practices and compliance with community standards are met.

Signed-off-by: smuppand <[email protected]>

Author: smuppand

.github/workflows/qualcomm-organization-repolinter.yml

@@ -0,0 +1,31 @@
+name: Qualcomm Organization Repolinter
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+  workflow_dispatch:
+
+jobs:
+  repolinter:
+    if: github.repository == 'qualcomm-linux/qcom-linux-testkit'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v4
+      - name: Verify repolinter config file is present
+        id: check_files
+        uses: andstor/file-existence-action@v3
+        with:
+          files: "repolint.json"
+      - name: Run Repolinter with local repolint.json
+        if: steps.check_files.outputs.files_exists == 'true'
+        uses: todogroup/repolinter-action@v1
+        with:
+          config_file: "repolint.json"
+      - name: Run Repolinter with default ruleset
+        if: steps.check_files.outputs.files_exists == 'false'
+        uses: todogroup/repolinter-action@v1
+        with:
+          config_url: "https://raw.githubusercontent.com/qualcomm/.github/main/repolint.json"