refactor(developer-config): 移除开发者配置页面相关代码和文档

- 删除应用配置页面及相关组件，重构路由为 /developer/config/[id].vue
- 移除开发者文档页面及其导航与样式实现
- 清理开发者侧功能完善工作日志文件
- 删除全局.gitignore配置文件，清理无用忽略规则
- 优化应用配置页面的参数读取和路由结构，解决刷新404问题
- 解决数据库配置唯一键冲突，调整保存逻辑避免重复插入
- 移除对后端配置加密字段的 secret 标记，修正加密异常问题

.nuxt/content/types.d.ts

@@ -0,0 +1,21 @@
+import type { PageCollectionItemBase, DataCollectionItemBase } from '@nuxt/content'
+
+declare module '@nuxt/content' {
+   /* eslint-disable */
+  /**
+   * This file was automatically generated by json-schema-to-typescript.
+   * DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,
+   * and run json-schema-to-typescript to regenerate this file.
+   */
+  
+  interface DocsCollectionItem extends PageCollectionItemBase {}
+  
+
+  interface PageCollections {
+    docs: DocsCollectionItem
+  }
+
+  interface Collections {
+    docs: DocsCollectionItem
+  }
+}