Add link check GitHub action (#30)

* Remove Gander entry from README

* Add link check GitHub action

Author: danielh-official

.github/workflows/link-check.yml

@@ -0,0 +1,18 @@
+name: Broken Link Check
+on:
+  schedule:
+    - cron: '0 0 * * *' # Run daily
+  pull_request:
+    branches: [ main ]
+  push:
+    branches: [ main ]
+
+jobs:
+  check-links:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Check for broken links
+        uses: lycheeverse/lychee-action@v1
+        with:
+          args: --verbose --no-progress './**/*.md' './**/*.html'

README.md

@@ -94,17 +94,6 @@ Tags: app, API, Laravel
 
 ---
 
-### Gander
-https://github.com/lewissteele/gander
-
-Relational database management tool made using Laravel
-
-Type: electron
-
-Tags: app, mysql, laravel
-
----
-
 ### Hwei's Brush
 https://github.com/rico-vz/Hweis-Brush