feat: add embedchain javascript package (#576)

embedchain-js/embedchain/loaders/LocalQnaPair.ts

@@ -0,0 +1,21 @@
+import type { LoaderResult, QnaPair } from '../models';
+import { BaseLoader } from './BaseLoader';
+
+class LocalQnaPairLoader extends BaseLoader {
+  // eslint-disable-next-line class-methods-use-this
+  async loadData(content: QnaPair): Promise<LoaderResult> {
+    const [question, answer] = content;
+    const contentText = `Q: ${question}\nA: ${answer}`;
+    const metaData = {
+      url: 'local',
+    };
+    return [
+      {
+        content: contentText,
+        metaData,
+      },
+    ];
+  }
+}
+
+export { LocalQnaPairLoader };