Switch to lychee for link checks

.github/workflows/check-links.yml

@@ -0,0 +1,33 @@
+# https://github.com/lycheeverse/lychee-action
+# https://github.com/lycheeverse/lychee
+name: Check Links
+
+on:
+  push:
+  schedule:
+    # Run monthly
+    # GitHub actions uses UTC for time zone
+    # crontab format: minute hour day-of-month month day-of-week
+    - cron: "2 4 4 * *"
+  workflow_dispatch:
+    inputs:
+      message:
+        description: Message to display in job summary
+        required: false
+        type: string
+      override-args:
+        description: Override default arguments (see https://github.com/lycheeverse/lychee#commandline-parameters)
+        required: false
+        type: string
+
+jobs:
+  link-checker:
+    name: Call Link Checker
+    uses: Andy4495/.github/.github/workflows/check-links.yml@main 
+    with:
+      message: ${{ inputs.message }}
+      override-args: ${{ inputs.override-args }}
+      # Use the following to exclude certain URLs from the check. Need to include "--exclude" in the definition.
+      # For example, --exclude '43oh.com'
+      exclude: 
+

README.md

@@ -1,7 +1,7 @@
 # AY3891x Library
 
 [![Arduino Compile Sketches](https://github.com/Andy4495/AY3891x/actions/workflows/arduino-compile-sketches.yml/badge.svg)](https://github.com/Andy4495/AY3891x/actions/workflows/arduino-compile-sketches.yml)
-[![Check Markdown Links](https://github.com/Andy4495/AY3891x/actions/workflows/CheckMarkdownLinks.yml/badge.svg)](https://github.com/Andy4495/AY3891x/actions/workflows/CheckMarkdownLinks.yml)
+[![Check Markdown Links](https://github.com/Andy4495/AY3891x/actions/workflows/check-links.yml/badge.svg)](https://github.com/Andy4495/AY3891x/actions/workflows/check-links.yml)
 [![Arduino Lint](https://github.com/Andy4495/AY3891x/actions/workflows/arduino-lint.yml/badge.svg)](https://github.com/Andy4495/AY3891x/actions/workflows/arduino-lint.yml)
 
 Arduino library and chiptunes player for General Instrument AY-3-8910 / AY-3-8912 Programmable Sound Generator (PSG) chip, including clones like the YM2149.