Add github to auth api

packages/app/src/apis.ts

@@ -25,9 +25,11 @@ import {
   featureFlagsApiRef,
   FeatureFlags,
   GoogleAuth,
+  GithubAuth,
   oauthRequestApiRef,
   OAuthRequestManager,
   googleAuthApiRef,
+  githubAuthApiRef,
 } from '@backstage/core';
 
 import {
@@ -63,6 +65,15 @@ builder.add(
   }),
 );
 
+builder.add(
+  githubAuthApiRef,
+  GithubAuth.create({
+    apiOrigin: 'http://localhost:7000',
+    basePath: '/auth/',
+    oauthRequestApi,
+  }),
+);
+
 builder.add(
   techRadarApiRef,
   new TechRadar({