chore: add pm related GH actions (#3)

.github/workflows/add-to-project.yml

@@ -0,0 +1,16 @@
+name: Add Opened Issue to Project
+
+on:
+  issues:
+    types: [opened]
+
+jobs:
+  add-to-project:
+    name: Add issue to project
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/add-to-project@v0.3.0
+        with:
+          project-url: https://github.com/orgs/zkitter/projects/1
+          github-token: ${{ secrets.TOKEN }} # specific access token different from GITHUB_TOKEN required (see https://github.com/marketplace/actions/add-to-github-projects#creating-a-pat-and-adding-it-to-your-repository)
+

.github/workflows/issue-link.yml

@@ -0,0 +1,20 @@
+name: Issue-PR Link
+on:
+  pull_request:
+    types: [opened]
+
+# set minimum required permissions for automatic `GITHUB_TOKEN` token
+permissions:
+  pull-requests: write
+  issues: read
+
+jobs:
+  issue-links:
+    name: Link PR to Issue
+    runs-on: ubuntu-latest
+    steps:
+      - uses: tkt-actions/add-issue-links@v1.8.0
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          branch-prefix: 'issue-'
+          resolve: true