Sequential router improvements

Router query string support (#8)

* v2.1.0
* ignore query strings during requests matching
* allowing prefix to be optional in global middlewares
* improving test cases

v2

V2 (#7)

* making sequential default router

* updating deps

* updating documentation

* supporting nested routers

* updating demos

* updating benchmarks

Dependency updates

"dependencies": {
    "find-my-way": "^2.1.0",
    "trouter": "^3.1.0"
}