ui: 优化系统设置页面

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.25.1",
+    "version": "2.25.2",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",

packages/hydrooj/setting.yaml

@@ -3,14 +3,17 @@ langs:
   desc: Code language settings
   default:
     __hint__:
-      - All keys started with _ will be ignored
-      - Entries named like [foo], [foo].[bar] [foo].[baz] will be merged into one category.
-      - A entry named [foo].[bar] will inhert all options defined in entry [foo] if not overwritten
-      - code_file option defaults to foo.[name]
-      - highlight option defaults to [name]
-      - if highlight option was set, monaco option defaults to [highlight], otherwise defaults to [name] 
-      - Compile step will be ignored if compile option was not set
-      - Key marked with a ? means the option is optional
+      - ~ All keys starting with _ will be ignored
+      - ~ Entries named like [foo], [foo].[bar] [foo].[baz]
+      -   will be merged into one category.
+      - ~ A entry named [foo].[bar] will inhert all options 
+      -   defined in entry [foo] if not overwritten
+      - ~ code_file option defaults to foo.[name]
+      - ~ highlight option defaults to [name]
+      - ~ if highlight option was set, monaco option defaults
+      -   to [highlight], otherwise defaults to [name] 
+      - ~ Compiling be be ignored if compile option wasn't set
+      - ~ Key marked with a ? means the option is optional
       - (name):
           compile?: Compile Command
           code_file?: Where to write code file when compiling