ci: add workflow to validate conventional commits

Signed-off-by: Andrew Brandt <andrew.brandt@hashgraph.com>

Author: andrewb1269

.github/workflows/validate-conventional-commits.yaml

@@ -0,0 +1,22 @@
+name: PR Conventional Commit Validation
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+  pull-requests: write
+  issues: write
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  validate-pr-title:
+    runs-on: ubuntu-latest
+    steps:
+      - name: PR Conventional Commit Validation
+        uses:  ytanikin/pr-conventional-commits@8267db1bacc237419f9ed0228bb9d94e94271a1d # v1.4.1
+        with:
+          task_types: '["feat","fix","docs","test","ci","refactor","perf","chore","revert"]'