feat: Implement embed folder and a better organisation

Author: vomnes

example/embed/data/server/index.html

@@ -0,0 +1 @@
+<h1>Hello Embed</h1>

example/embed/example.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"embed"
+	"fmt"
+	"net/http"
+
+	"github.com/gin-contrib/static"
+	"github.com/gin-gonic/gin"
+)
+
+//go:embed data
+var server embed.FS
+
+func main() {
+	r := gin.Default()
+	r.Use(static.Serve("/", static.EmbedFolder(server, "data/server")))
+	r.GET("/ping", func(c *gin.Context) {
+		c.String(200, "test")
+	})
+	r.NoRoute(func(c *gin.Context) {
+		fmt.Printf("%s doesn't exists, redirect on /\n", c.Request.URL.Path)
+		c.Redirect(http.StatusMovedPermanently, "/")
+	})
+	// Listen and Server in 0.0.0.0:8080
+	r.Run(":8080")
+}