Create triage.yml

create new github action to marke new issue/pr to triage

.github/workflows/triage.yml

@@ -0,0 +1,18 @@
+name: Add Triage for pull requests to projects
+
+on:
+  pull_request:
+    types:
+      - labeled
+      - opened
+
+jobs:
+  add-to-project:
+    name: Add issue or pr with triage tag to project
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/add-to-project@RELEASE_VERSION
+        with:
+          project-url: https://github.com/lambdaisland/kaocha
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+          labeled: Triage