routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/@volar/language-core/index.d.ts

@@ -0,0 +1,9 @@
+export { Mapping, SourceMap } from '@volar/source-map';
+export * from './lib/editor';
+export * from './lib/linkedCodeMap';
+export * from './lib/types';
+export * from './lib/utils';
+import type { Language, LanguagePlugin, MapperFactory, SourceScript, VirtualCode } from './lib/types';
+export declare const defaultMapperFactory: MapperFactory;
+export declare function createLanguage<T>(plugins: LanguagePlugin<T>[], scriptRegistry: Map<T, SourceScript<T>>, sync: (id: T, includeFsFiles: boolean, shouldRegister: boolean) => void, onAssociationDirty?: (targetId: T) => void): Language<T>;
+export declare function forEachEmbeddedCode(virtualCode: VirtualCode): Generator<VirtualCode>;