Add ignore patterns for external service URLs (shields.io, badge.fury.io, unpkg, jsdelivr, discord, typescriptlang.org)

Co-authored-by: huangyiirene <7665279+huangyiirene@users.noreply.github.com>

Author: Copilot

.github/markdown-link-check-config.json

@@ -29,6 +29,24 @@
     },
     {
       "pattern": "^mailto:"
+    },
+    {
+      "pattern": "^https://img.shields.io/"
+    },
+    {
+      "pattern": "^https://www.typescriptlang.org"
+    },
+    {
+      "pattern": "^https://badge.fury.io/"
+    },
+    {
+      "pattern": "^https://unpkg.com/"
+    },
+    {
+      "pattern": "^https://cdn.jsdelivr.net/"
+    },
+    {
+      "pattern": "^https://discord.gg/"
     }
   ],
   "replacementPatterns": [],