* refactor: public config
delete public config, replace with package.json. Update version to 1.6.0 for this pull request.
* fix: searx pagination
* refactor: type system for routes
* refactor: universal redirection
* fix: stackoverflow questions
add No handler Found error
* feat: stackoverflow users parser
* refactor: move engines to folder
* refactor: engine class
* refactor: add distributor and readability, searx engines class
* delete: google engine
useless since searx added
* fix: stackoverflow
* update version