feat: add embedchain javascript package (#576)

embedchain-js/embedchain/vectordb/BaseVectorDb.ts

@@ -0,0 +1,14 @@
+class BaseVectorDB {
+  initDb: Promise<void>;
+
+  constructor() {
+    this.initDb = this.getClientAndCollection();
+  }
+
+  // eslint-disable-next-line class-methods-use-this
+  protected async getClientAndCollection(): Promise<void> {
+    throw new Error('getClientAndCollection() method is not implemented');
+  }
+}
+
+export { BaseVectorDB };