feat: Update internal HTTP server to use Fiber v2 with new routes and middleware configuration

internal/controller/index.go

@@ -0,0 +1,9 @@
+package controller
+
+import (
+	"github.com/gofiber/fiber/v2"
+)
+
+func Index(c *fiber.Ctx) error {
+	return c.SendString("Hello, World!")
+}