style: change biome sort order to natural and clean up i18next config

- Update biome.jsonc to use natural sort order for keys
- Clean up i18next.config.ts formatting and remove trailing newline

biome.jsonc

@@ -8,7 +8,7 @@
         "useSortedKeys": {
           "level": "on",
           "options": {
-            "sortOrder": "lexicographic"
+            "sortOrder": "natural"
           }
         }
       }

i18next.config.ts

@@ -1,13 +1,9 @@
-import { defineConfig } from 'i18next-cli';
+import { defineConfig } from 'i18next-cli'
 
 export default defineConfig({
-  locales: [
-    "en-us",
-    "zh-cn",
-    "zh-tw"
-  ],
+  locales: ['en-us', 'zh-cn', 'zh-tw'],
   extract: {
-    input: "src/renderer/src/**/*.{ts,tsx}",
-    output: "src/renderer/src/i18n/locales/{{language}}.json"
+    input: 'src/renderer/src/**/*.{ts,tsx}',
+    output: 'src/renderer/src/i18n/locales/{{language}}.json'
   }
-});
+})