Add GitHub Actions workflow to add issues to project

Author: olblak

.github/workflows/add_issue.yaml

@@ -0,0 +1,25 @@
+name: Adds all issues to project board
+
+permissions:
+  contents: read
+
+on:
+  issues:
+    types:
+      - opened
+
+jobs:
+  add-to-project:
+    name: Add issue to project
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/create-github-app-token@v2
+        id: app-token
+        with:
+          app-id: ${{ secrets.ADD_ISSUE_APP_ID }}
+          private-key: ${{ secrets.ADD_ISSUE_PRIVATE_KEY }}
+          owner: ${{ github.repository_owner }}
+      - uses: actions/add-to-project@v1.0.2
+        with:
+          project-url: https://github.com/orgs/neuvector/projects/15
+          github-token: ${{ steps.app-token.outputs.token }}