feat: confirm before deleting knowledge base and add ChunkToolBar (#56)

web/src/components/modal-manager.tsx

web/src/hooks/storeHooks.ts

...onents/knowledge-chunk/components/chunk-toolbar/index.tsx

.../pages/add-knowledge/components/knowledge-chunk/index.tsx

...ponents/knowledge-dataset/knowledge-upload-file/index.tsx

...c/pages/add-knowledge/components/knowledge-file/index.tsx

...rc/pages/add-knowledge/components/knowledge-file/model.ts

...e/components/knowledge-file/parsing-status-cell/index.tsx

...ages/add-knowledge/components/knowledge-setting/index.tsx

...pages/add-knowledge/components/knowledge-setting/model.ts

web/src/pages/knowledge/index.tsx

web/src/pages/knowledge/knowledge-card/index.tsx

web/src/pages/knowledge/knowledge-creating-modal/index.tsx

web/src/services/kbService.ts

web/src/utils/api.ts

web/src/utils/storeUtil.ts