🚀 feat: filesystem middleware work routes with params

[renanbastos93]

Based on a user's request on issue #834 then was implemented now we have a new method called SendFile on filesystem middleware.

package main

import (
	"net/http"

	"github.com/gofiber/fiber/v2"
	"github.com/gofiber/fiber/v2/middleware/filesystem"
	"github.com/gofiber/fiber/v2/middleware/logger"
)

func main() {
	app := fiber.New()

	app.Use(logger.New())

	app.Use("/:path", func(c *fiber.Ctx) error {
		return filesystem.SendFile(c, http.Dir("./assets"), c.Params("path")+".html")
	})

	app.Listen(":3000")
}

[Fenny]

@arsmn, looks good?

[renanbastos93]

@gofiber/maintainers any more comments? or can I merge it?