feat: add embedchain javascript package (#576)

embedchain-js/embedchain/models/DataDict.ts

@@ -0,0 +1,10 @@
+import type { ChunkResult } from './ChunkResult';
+
+type Data = {
+  doc: ChunkResult['documents'][0];
+  meta: ChunkResult['metadatas'][0];
+};
+
+export type DataDict = {
+  [id: string]: Data;
+};