refactor: src/core/main 全部移入 monorepo

packages/client-base/src/index.ts

@@ -1 +1,2 @@
 export * from './keyCodes';
+export * from './types';

packages/client-base/src/types.ts

@@ -0,0 +1,4 @@
+export interface ResponseBase {
+    code: number;
+    message: string;
+}