add gh action to check links locally.

requires you to disable basic auth protections

.github/workflows/devlinkcheck.yml

@@ -0,0 +1,20 @@
+# This is workflow for link checking
+name: linkcheck_website_dev
+on: 
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  check_links:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # linkcheck
+      - uses: actions/checkout@v3
+      - uses: filiph/linkcheck@2.0.23
+        with:
+          arguments: https://fusionauth.dev/ --skip-file .github/linkcheck-skip.txt
+        name: linkcheck