chore(workflows): add automation to add PRs to review to project board

.github/workflows/add-prs-to-review-to-vac-board.yml

@@ -0,0 +1,16 @@
+name: Add PRs to review Vac task board
+
+on:
+  pull_request:
+
+jobs:
+  add-to-project:
+    name: Add PR to task board
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/add-to-project@v0.5.0
+        with:
+          # You can target a project in a different organization
+          # to the issue
+          project-url: https://github.com/orgs/vacp2p/projects/10
+          github-token: ${{ secrets.ADD_TO_VAC_BOARD_PAT }}