feat: update ESLint config with @typescript-eslint/consistent-type-imports (#4746)

* update: Add type

* fix: update import statement for NextApiRequest type

* fix: update imports to use type for LexicalEditor and EditorState

* Refactor imports to use 'import type' for type-only imports across multiple files

- Updated imports in various components and API files to use 'import type' for better clarity and to optimize TypeScript's type checking.
- Ensured consistent usage of type imports in files related to chat, dataset, workflow, and user management.
- Improved code readability and maintainability by distinguishing between value and type imports.

* refactor: remove old ESLint configuration and add new rules

- Deleted the old ESLint configuration file from the app project.
- Added a new ESLint configuration file with updated rules and settings.
- Changed imports to use type-only imports in various files for better clarity and performance.
- Updated TypeScript configuration to remove unnecessary options.
- Added an ESLint ignore file to exclude build and dependency directories from linting.

* fix: update imports to use 'import type' for type-only imports in schema files

packages/global/core/dataset/api.d.ts

@@ -1,12 +1,12 @@
-import { DatasetDataIndexItemType, DatasetSchemaType } from './type';
-import {
+import type { DatasetDataIndexItemType, DatasetSchemaType } from './type';
+import type {
   DatasetCollectionTypeEnum,
   DatasetCollectionDataProcessModeEnum,
   ChunkSettingModeEnum,
   DataChunkSplitModeEnum
 } from './constants';
 import type { LLMModelItemType } from '../ai/model.d';
-import { ParentIdType } from 'common/parentFolder/type';
+import type { ParentIdType } from 'common/parentFolder/type';
 
 /* ================= dataset ===================== */
 export type DatasetUpdateBody = {