Merge pull request #5 from mjbear/link_checking

Fix broke links and add link checking

Author: nleiva

.github/workflows/ci.yml

@@ -0,0 +1,23 @@
+name: GitHub Actions
+
+on:
+  push:
+    branches: ['main','master']
+  pull_request:
+    branches: ['main','master']
+  schedule:
+    # run once a month (until 60 days of repo inactivity hits)
+    #  (time in UTC, run at 7:45 EST depending on daylight savings)
+    - cron: '45 11 16 * *'
+
+jobs:
+  link_check:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out repository code
+      uses: actions/checkout@v4
+
+    - name: Link Checker (lychee)
+      id: lychee
+      uses: lycheeverse/lychee-action@v2
+      # certain links are excluded from checking via .lycheeignore

.lycheeignore

@@ -0,0 +1,6 @@
+# links that 403 because they require a Red Hat Subscription
+https://access.redhat.com/articles/3168091$
+https://access.redhat.com/solutions/3617131$
+
+# GitHub link that frequently times out with HTTP 504 error code
+https://github.com/janus-idp/backstage-plugins/pull/527$