Added lychee config files

Author: eshanrnh

.github/lychee.toml

@@ -0,0 +1,84 @@
+# .github/lychee.toml
+
+############################# Display #############################
+# Verbose program output
+# Accepts log level: "error", "warn", "info", "debug", "trace"
+verbose = "info"
+
+# Don't show interactive progress bar while checking links.
+no_progress = false
+
+############################# Cache ###############################
+# Enable link caching. This can be helpful to avoid checking the same links on
+# multiple runs.
+cache = true
+
+# Discard all cached requests older than this duration.
+max_cache_age = "1d"
+
+############################# Runtime #############################
+# Maximum number of concurrent link checks.
+max_concurrency = 12
+
+# Maximum number of allowed redirects.
+max_redirects = 10
+
+# Maximum number of allowed retries before a link is declared dead.
+max_retries = 5
+
+############################# Requests ############################
+# Website timeout from connect to response finished.
+timeout = 60
+
+# Minimum wait time in seconds between retries of failed requests.
+retry_wait_time = 3
+
+# Accept more status codes (follow redirects automatically)
+accept = ["200..=204", "301..=308", "429"]
+
+# Avoid false fragment errors
+include_fragments = false  
+
+# Only test links with the given schemes (e.g. https).
+# Omit to check links with any other scheme.
+# At the moment, we support http, https, file, and mailto.
+scheme = ["https"]
+
+# When links are available using HTTPS, treat HTTP links as errors.
+require_https = false
+
+# Fallback extensions to apply when a URL does not specify one.
+# This is common in documentation tools that cross-reference files without extensions.
+fallback_extensions = ["md", "html"]
+
+############################# Exclusions ##########################
+# Check links inside `<code>` and `<pre>` blocks as well as Markdown code
+# blocks.
+include_verbatim = false
+
+# Ignore case of paths when matching glob patterns.
+glob_ignore_case = false
+
+# Exclude URLs and mail addresses from checking (supports regex).
+exclude = [
+  '^mailto:',
+  '^https?://localhost',
+  '^https?://127\\.0\\.0\\.1',
+  '^https://www\.linkedin\.com',
+  '^https?://web\\.archive\\.org/web/'
+]
+
+# Exclude these filesystem paths from getting checked.
+exclude_path = [
+  '(^|/)node_modules/',
+  '(^|/)dist/',
+  '(^|/)bin/',
+  '\\.txt$',      # skip .txt extensions
+  '(^|/)test/'   # skip directories named "test"
+]
+
+# URLs to check (supports regex). Has preference over all excludes.
+include = ['gist\.github\.com.*']
+
+# Skip checking mail addresses
+include_mail = true

.github/workflows/check-pr-links.yml

@@ -0,0 +1,34 @@
+name: Check Links In Pull Requests
+
+on: [pull_request]
+
+jobs:
+  check-links:
+    runs-on: ubuntu-latest
+    steps:
+    # Step 1: Checkout the repo
+      - name: Checkout GitHub repo
+        uses: actions/checkout@v4
+
+    # Step 2: Run Lychee to check links
+      - name: Run Lychee link checker
+        uses: lycheeverse/lychee-action@v2
+        with:
+          args: |
+            --no-progress
+            --include-fragments
+
+    # Step 3: Provide a helpful message if the check fails
+      - name: Helpful failure message
+        if: ${{ failure() }}
+        run: |
+          echo "::error::Link check failed! Please review the broken links reported above."
+          echo ""
+          echo "If certain links are valid but fail due to:"
+          echo "- CAPTCHA challenges"
+          echo "- IP blocking"
+          echo "- Authentication requirements"
+          echo "- Rate limiting"
+          echo ""
+          echo "Consider adding them to .lycheeignore to bypass future checks."
+          echo "Format: Add one URL pattern per line"

.gitignore

@@ -4,3 +4,4 @@
 *.orig
 .vscode
 .idea
+.lycheecache

.lycheeignore

@@ -0,0 +1,32 @@
+# These links are ignored by lychee link checker: https://github.com/lycheeverse/lychee
+# The file allows you to list multiple regular expressions for exclusion (one pattern per line).
+# The `.lycheeignore` file is only used for excluding URLs, not paths. Use the `exclude_path` key in the `lychee.toml` file. ref: https://lychee.cli.rs/recipes/excluding-paths/
+
+# GitHub blob/tree fragment links
+^https://github\.com/umbraco/Umbraco-CMS/blob/.*/.*#L.*
+^https://github\.com/umbraco/Umbraco-CMS/tree/.*
+^https://github\.com/Shazwazza/Articulate/blob/.*/.*#L.*
+^https://github\.com/umbraco/Umbraco-CMS/blob/.*
+
+# Anchor/fragment links causing false positives
+^https://docs\.umbraco\.com/.*/#.*
+^https://apidocs\.umbraco\.com/.*/#.*
+^https://tinymce\.github\.io/.*/#.*
+^https://openid\.net/.*/#.*
+^https://docs\.microsoft\.com/.*#.*
+^https://learn\.microsoft\.com/.*#.*
+^https://developer\.mozilla\.org/.*/#.*
+^https://learning\.postman\.com/docs/.*/#.*
+^https://nginx\.org/.*/#.*
+^https://azure\.microsoft\.com/en-gb/services/media-services/.*
+^https://www\.tiny\.cloud/docs/.*
+
+# TinyMCE anchors
+^https://github\.com/tinymce/tinymce/issues/.*#.*
+
+# NIST FIPS and other static docs
+^https://csrc\.nist\.gov/publications/PubsFIPS\.html#.*
+
+# Timeout-prone Umbraco issue links
+^https://issues\.umbraco\.org/issue/.*
+^https://issues\.umbraco\.org/issues/.*