Add serve func for uigo

uigo/serve.go

@@ -0,0 +1,26 @@
+package uigo
+
+import (
+	"github.com/gobuffalo/packr"
+	"github.com/gin-gonic/gin"
+	"net/http"
+)
+
+var box = packr.NewBox("../ui/build")
+
+// Register registers the ui on the root path.
+func Register(r *gin.Engine) {
+	r.GET("/", serveFile("index.html", "text/html"))
+	r.GET("/index.html", serveFile("index.html", "text/html"))
+	r.GET("/manifest.json", serveFile("manifest.json", "application/json"))
+	r.GET("/service-worker.js", serveFile("service-worker.js", "text/javascript"))
+	r.GET("/assets-manifest.json", serveFile("asserts-manifest.json", "application/json"))
+	r.GET("/static/*any", gin.WrapH(http.FileServer(box)))
+}
+
+func serveFile(name, contentType string) gin.HandlerFunc {
+	return func(ctx *gin.Context) {
+		ctx.Header("Content-Type", contentType)
+		ctx.String(200, box.String(name))
+	}
+}