binding: support binding query

[asjdf]

Component

Middleware

Middleware

https://github.com/flamego/binding/

Is your feature request related to a problem? Please describe

Support binding query parameters into struct.

Describe the solution you'd like

type query struct {
	Username string `query:"username" validate:"required"`
	Password string `query:"password" validate:"required"`
}
f.Get("/", Query(query{}, opts), func(c flamego.Context) {
	_, _ = c.ResponseWriter().Write([]byte("Hello world"))
})

Describe alternatives you've considered

nil

Additional context

No response

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