add context values into example template page

example/main.go

 	"github.com/goanywhere/rex/livereload"
 )
 
+type User struct {
+	Username string
+}
+
 func Index(w http.ResponseWriter, r *http.Request) {
 	if html, err := template.ParseFiles(filepath.Join("views", "index.html")); err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 	} else {
-		html.Execute(w, nil)
+		w.Header().Set("Content-Type", "text/html")
+		var user = User{Username: rex.Env.String("USER", "guest")}
+		html.Execute(w, user)
 	}
 }
 

example/views/index.html

 
   <main>
     <div class="container">
-      <h2>Index</h2>
+      <h2>Welcome, {{ .Username }}</h2>
     </div>
   </main>
 

livereload/middleware.go

 	"regexp"
 	"strings"
 
+	"github.com/Sirupsen/logrus"
 	"github.com/goanywhere/env"
 )
 
 func (self *writer) addJavaScript(data []byte) []byte {
 	javascript := fmt.Sprintf(`<script src="//%s%s"></script>
 </head>`, self.host, URL.JavaScript)
+	logrus.Infof("JS: %s", javascript)
 	return regexp.MustCompile(`</head>`).ReplaceAll(data, []byte(javascript))
 }
 
 
 func Middleware(next http.Handler) http.Handler {
 	// ONLY run this under debug mode.
-	if !env.Bool("DEBUG", true) {
+	if !env.Bool("DEBUG") {
 		return next
 	}
 	Start()