Implement validator package (#24)

Updates: Improve test coverage env (#21)

* Set & Get value from context methods

* middleware, handle methods tests

Updates: Enhancements in framework (#15)

* Delete unused methods

* use strings toLower

* use constants from fasthttp

* mention fasthttp in readme

add TestFromJSON (#14)

Delete coverage.xml

Bug: Handle slash suffix in route path (#11)

* delete log

* delete suffix path

* pr template

set cors middleware in response headers

export Params field (#10)

body parser method (#9)

Bug: Fix test framework issues (#8)

* return byte, error

* fix ci error