Add kanban automation for new pull requests

.github/workflows/kanban.yml

@@ -0,0 +1,25 @@
+name: Assign new pull requests
+on:
+  pull_request_target:
+    types: [opened, reopened]
+env:
+  MY_GITHUB_TOKEN: ${{ secrets.KANBAN_TOKEN }}
+
+jobs:
+  assign_one_project:
+    runs-on: ubuntu-latest
+    name: Assign new pull requests
+    steps:
+    - name: Assign new pull requests to the reviewing column
+      uses: srggrs/[email protected]
+      if: github.event.pull_request.draft == true
+      with:
+        project: "https://github.com/users/javierm/projects/4"
+        column_name: "Reviewing"
+
+    - name: Assign new draft pull requests to the doing column
+      uses: srggrs/[email protected]
+      if: github.event.pull_request.draft == false
+      with:
+        project: "https://github.com/users/javierm/projects/4"
+        column_name: "Doing"