Add PR validation workflow (#85)

Author: labkey-tchad

.github/workflows/validate_pr.yml

@@ -0,0 +1,26 @@
+---
+# Workflow to validate Pull Request branches
+name: PR Validation
+
+# Trigger on PR creation
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - ready_for_review
+
+jobs:
+  validate_pr:
+    if: github.event.pull_request.head.repo.owner.login == 'LabKey'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Validate PR Branches
+        uses: labkey-tchad/gitHubActions/validate-pr@master
+        with:
+          pr_base: ${{ github.event.pull_request.base.ref }}
+          pr_head: ${{ github.event.pull_request.head.ref }}
+          pr_number: ${{ github.event.pull_request.number }}
+          pr_title: ${{ github.event.pull_request.title }}
+          github_token: ${{ secrets.GITHUB_TOKEN }}