fix: export to gist occurred 404 not found

Author: jackycute

lib/web/auth/github/index.js

@@ -4,6 +4,7 @@ const Router = require('express').Router
 const passport = require('passport')
 const GithubStrategy = require('passport-github').Strategy
 const config = require('../../../config')
+const response = require('../../../response')
 const {setReturnToFromReferer, passportGeneralCallback} = require('../utils')
 
 let githubAuth = module.exports = Router()
@@ -26,3 +27,6 @@ githubAuth.get('/auth/github/callback',
     failureRedirect: config.serverurl + '/'
   })
 )
+
+// github callback actions
+githubAuth.get('/auth/github/callback/:noteId/:action', response.githubActions)