Report lndhub errors to Sentry

app/controllers/services/lightning_controller.rb

@@ -37,8 +37,8 @@ class Services::LightningController < ApplicationController
       session[:ln_auth_token] = auth_token
       @ln_auth_token = auth_token
     end
-  rescue
-    # TODO add exception tracking
+  rescue => e
+    Sentry.capture_exception(e) if Setting.sentry_enabled?
   end
 
   def set_current_section