Route.yml: rewrite file
Walrus config: full css, kind of ugly :(
Walrus api: create api controller for longpolling
PollingController: add comment block
WalrusAPI: create WalrusAPI file
WalrusAPI: add comment block
WalrusROuter: refactor execute for special API load
WalrusAPI: basic methods set
WalrusRouter: update API match
WalrusRouter: API execute process
Polling controller: working API call