ci: check Markdown links and anchors

.github/workflows/links.yml

@@ -0,0 +1,19 @@
+name: Links
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+permissions: {}
+
+concurrency:
+  group: links-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  links:
+    permissions:
+      contents: read
+    uses: putdotio/.github/.github/workflows/frontend-links.yml@1ee0d3b473cbc6fada08831f01ff80fe653c434a # v1.1.0

docs/DISTRIBUTION.md

@@ -9,8 +9,9 @@ commit releases and how the version bumps.
 The job calls `frontend-release-npm.yml` from the shared
 [putdotio/.github workflows](https://github.com/putdotio/.github#frontend-release-npmyml),
 pinned to a reviewed commit SHA. That workflow owns the semantic-release pins, the
-release bot, and caching. [scan.yml](../.github/workflows/scan.yml) calls the
-shared scan workflow from the same repository.
+release bot, and caching. [scan.yml](../.github/workflows/scan.yml) and
+[links.yml](../.github/workflows/links.yml) call the shared scan and Markdown
+link-check workflows from the same repository.
 
 ## Release Environment