Merge pull request microsoft#1035 from microsoft/allow_sas_merge

Gives @saschanaz the ability to merge PRs which affect src/baselines/inputfiles

Author: Orta Therox

.github/CODEOWNERS

@@ -0,0 +1,4 @@
+src/**/*.ts @saschanaz
+baselines/* @saschanaz
+inputfiles/**/* @saschanaz
+README.md @saschanaz

.github/workflows/codeowners-merge.yml

@@ -0,0 +1,20 @@
+name: Codeowners merging
+on:
+  pull_request_target: { types: [opened] }
+  issue_comment: { types: [created] }
+  pull_request_review: { types: [submitted] }
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Run Codeowners merge check
+        uses: OSS-Docs-Tools/code-owner-self-merge@1.5.3
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          merge_method: 'squash'
+          if_no_maintainers_add_label: 'maintainers'
+          if_no_maintainers_assign: '@orta @sandersn'