New workflow to aid internal contributions in PRs (github#21612)

Co-authored-by: Sarah Edwards <[email protected]>

.github/workflows/hubber-contribution-help.yml

@@ -0,0 +1,47 @@
+name: Hubber contribution help
+
+# **What it does**: When a PR is opened by a non-Docs team Hubber, adds a bot comment with helpful links
+# **Why we have it**: To help non–Docs Hubbers navigate how to get a PR reviewed by the Docs team
+# **Who does it impact**: docs-internal contributors
+
+on:
+  pull_request:
+    types:
+      - opened
+    paths:
+      - 'content/**'
+      - 'data/**'
+
+jobs:
+  check-team-membership:
+    if: github.repository == 'github/docs-internal' && github.actor != 'github-openapi-bot'
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      - id: membership_check
+        uses: actions/github-script@2b34a689ec86a68d8ab9478298f91d5401337b7d
+        with:
+          github-token: ${{ secrets.DOCUBOT_READORG_REPO_WORKFLOW_SCOPES }}
+          script: |
+            try {
+              await github.teams.getMembershipForUserInOrg({
+                org: 'github',
+                team_slug: 'docs',
+                username: context.payload.sender.login,
+              });
+              return true
+            } catch(err) {
+              return false
+            }
+
+      - name: Comment on the PR
+        if: steps.membership_check.outputs.result == 'false'
+        run: |
+          gh pr comment $PR --body "Thanks so much for opening this PR and contributing to GitHub Docs!
+
+          - When you're ready for the Docs team to review this PR, apply the **ready-for-doc-review** label and your PR will be added to the [Docs Content review board](https://github.com/orgs/github/memexes/901?layout=table&groupedBy%5BcolumnId%5D=11024). **Please factor in at least 72 hours for a review, even longer if this is a substantial change.**
+          - If this is a major update to the docs, you might want to go back and open an [issue](https://github.com/github/docs-content/issues/new/choose) to ensure we've covered all areas of the docs in these updates. Not doing so may result in delays or inaccurate documentation."
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PR: ${{ github.event.pull_request.html_url }}

tests/meta/repository-references.js

@@ -66,6 +66,7 @@ const ALLOW_DOCS_PATHS = [
   'lib/excluded-links.js',
   'script/deploy.js',
   'script/README.md',
+  '.github/workflows/hubber-contribution-help.yml',
 ]
 
 const REPO_REGEXP = /\/\/github\.com\/github\/(?!docs[/'"\n])([\w-.]+)/gi