Add auto-assign-pr action

.github/workflows/auto-assign-pr.yml

@@ -0,0 +1,39 @@
+name: Auto-assign PR to Technical Writers
+
+on:
+  pull_request:
+    types: [opened]
+
+jobs:
+  auto-assign:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+
+    steps:
+      - name: Assign PR to creator if on Technical Writers team
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const creator = context.payload.pull_request.user.login;
+            const prNumber = context.payload.pull_request.number;
+            const assignees = context.payload.pull_request.assignees;
+
+            if (assignees.length > 0) return;
+
+            try {
+              await github.rest.teams.getMembershipForUserInOrg({
+                org: context.repo.owner,
+                team_slug: 'technical-writers',
+                username: creator
+              });
+
+              await github.rest.issues.addAssignees({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: prNumber,
+                assignees: [creator]
+              });
+            } catch (error) {
+              // Not on team, skip assignment
+            }