Add autoassign issue workflow

Author: tuxpeople

.github/workflows/auto-assign-issues.yaml

@@ -0,0 +1,16 @@
+name: Issue assignment
+
+on:
+  issues:
+    types: [opened]
+
+jobs:
+  auto-assign:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - name: "Auto-assign issue"
+        uses: pozil/auto-assign-issue@v1
+        with:
+          assignees: tuxpeople