refactor(utils): rename and improve isUrl to isUrlLikePath

- Rename isUrl function to isUrlLikePath for better clarity
- Simplify function logic and add type checking
- Update all references to use the new function name
- Improve function documentation and parameter typing

lib/config.js

@@ -2,7 +2,7 @@
 
 import BLOG from '@/blog.config'
 import { useGlobal } from './global'
-import { deepClone, isUrl } from './utils'
+import { deepClone, isUrlLikePath } from './utils'
 
 /**
  * 读取配置顺序
@@ -146,7 +146,7 @@ export const convertVal = val => {
   }
 
   // 检测是否为 URL
-  if (isUrl(val)) {
+  if (isUrlLikePath(val)) {
     return val
   }