fix: disable MD025 for frontmatter and H1 compatibility

.markdownlint-cli2.jsonc

@@ -1,6 +1,7 @@
 {
   "config": {
     "MD013": false, // Disable line length rule as it's often too restrictive for docs
-    "MD041": false  // Disable first-line heading rule (frontmatter often comes first)
+    "MD041": false, // Disable first-line heading rule (frontmatter often comes first)
+    "MD025": false  // Allow frontmatter title and H1
   }
 }