Add favicon route

src/routes.go

@@ -12,6 +12,7 @@ import (
 
 func init() {
 	app.Get("/ping", PingHandler)
+	app.Get("/favicon.ico", FaviconHandler)
 	app.Get("/list", ListHandler)
 	app.Get("/skin/:uuid", SkinHandler)
 	app.Get("/face/:uuid", FaceHandler)
@@ -29,6 +30,11 @@ func PingHandler(ctx *fiber.Ctx) error {
 	return ctx.SendStatus(http.StatusOK)
 }
 
+// FaviconHandler serves the favicon.ico file to any users that visit the API using a browser.
+func FaviconHandler(ctx *fiber.Ctx) error {
+	return ctx.Type("ico").Send(favicon)
+}
+
 // ListHandler is the API handler used for the `/list` route.
 func ListHandler(ctx *fiber.Ctx) error {
 	result := make([]string, 0)

src/util.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"bytes"
+	_ "embed"
 	"fmt"
 	"image"
 	"image/draw"
@@ -16,6 +17,11 @@ import (
 	"github.com/mineatar-io/skin-render"
 )
 
+var (
+	//go:embed favicon.ico
+	favicon []byte
+)
+
 // QueryParams is used by most all API routes as options for how the image should be rendered, or how errors should be handled.
 type QueryParams struct {
 	Scale    int  `query:"scale"`