feat: add github auth

app/controllers/api/v1/accounts/integrations/github_controller.rb

@@ -0,0 +1,13 @@
+class Api::V1::Accounts::Integrations::GithubController < Api::V1::Accounts::BaseController
+  before_action :check_authorization
+
+  def show
+    @github_integration = Current.account.hooks.find_by(app_id: 'github')
+  end
+
+  private
+
+  def check_authorization
+    authorize ::Webhook, :show?
+  end
+end