move components to separate files

packages/storybook/.storybook/apis.js

@@ -5,10 +5,12 @@ import {
   oauthRequestApiRef,
   OAuthRequestManager,
   googleAuthApiRef,
+  githubAuthApiRef,
   AlertApiForwarder,
   ErrorApiForwarder,
   ErrorAlerter,
   GoogleAuth,
+  GithubAuth,
 } from '@backstage/core';
 
 const builder = ApiRegistry.builder();
@@ -31,4 +33,13 @@ builder.add(
   }),
 );
 
+builder.add(
+  githubAuthApiRef,
+  GithubAuth.create({
+    apiOrigin: 'http://localhost:7000',
+    basePath: '/auth/',
+    oauthRequestApi,
+  }),
+);
+
 export const apis = builder.build();