feat: add proxy name replacement functionality for override (#1481)

* feat: add proxy name replacement functionality for override

* style: modify `override schema` info and provider parse error message

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Co-authored-by: chun <pujichun@outlook.com>

docs/config.yaml

@@ -929,6 +929,13 @@ proxy-providers:
       # ip-version: ipv4-prefer
       # additional-prefix: "[provider1]"
       # additional-suffix: "test"
+      # # 名字替换，支持正则表达式
+      # proxy-name:
+      #   - pattern: "test"
+      #     target: "TEST"
+      #   - pattern: "IPLC-(.*?)倍"
+      #     target: "iplc x $1"
+
   test:
     type: file
     path: /test.yaml