fix: export PostgresError as a class (#555)

* fix: export PostgresError

* chore: prettier

---------

Co-authored-by: Bobbie Soedirgo <[email protected]>

Author: gdaybrice

src/index.ts

@@ -4,26 +4,28 @@ import PostgrestQueryBuilder from './PostgrestQueryBuilder'
 import PostgrestFilterBuilder from './PostgrestFilterBuilder'
 import PostgrestTransformBuilder from './PostgrestTransformBuilder'
 import PostgrestBuilder from './PostgrestBuilder'
+import PostgrestError from './PostgrestError'
 
 export {
   PostgrestClient,
   PostgrestQueryBuilder,
   PostgrestFilterBuilder,
   PostgrestTransformBuilder,
   PostgrestBuilder,
+  PostgrestError,
 }
 export default {
   PostgrestClient,
   PostgrestQueryBuilder,
   PostgrestFilterBuilder,
   PostgrestTransformBuilder,
   PostgrestBuilder,
+  PostgrestError,
 }
 export type {
   PostgrestResponse,
   PostgrestResponseFailure,
   PostgrestResponseSuccess,
   PostgrestSingleResponse,
   PostgrestMaybeSingleResponse,
-  PostgrestError,
 } from './types'