feat: add hook useBlockSuiteWorkspaceName (#1281)

packages/env/src/constant.ts

@@ -0,0 +1 @@
+export const DEFAULT_WORKSPACE_NAME = 'Untitled Workspace';

packages/env/src/index.ts

@@ -155,3 +155,4 @@ export function setupGlobal() {
 }
 
 export { config };
+export * from './constant';