fix: Imports

Author: asafgardin

src/APIPromise.ts

@@ -1,5 +1,5 @@
 import { APIResponseProps } from "./models";
-import { AI21Error } from "./Errors";
+import { AI21Error } from "./errors";
 import { Stream } from "./Streaming";
 import { Response } from "node-fetch";
 

src/Client.ts

@@ -1,7 +1,7 @@
 import * as Core from "./Core";
 import * as Models from "./models";
 import { AI21EnvConfig } from "./EnvConfig";
-import { MissingAPIKeyError } from "./Errors";
+import { MissingAPIKeyError } from "./errors";
 import { Chat } from "./resources/chat";
 
 export interface AI21Options {

src/Core.ts

@@ -1,4 +1,4 @@
-import { AI21Error } from "./Errors.js";
+import { AI21Error } from "./errors.js";
 import { VERSION } from "./version.js";
 
 import fetch from 'node-fetch';

src/index.ts

@@ -1,7 +1,7 @@
 export { AI21 } from './Client';
 export { VERSION } from './version';
 export { RequestOptions } from './models';
-export { AI21Error, MissingAPIKeyError } from './Errors';
+export { AI21Error, MissingAPIKeyError } from './errors';
 export { Stream } from './Streaming';
 export { APIResource } from './APIResource';
 export {