Fix: Show proper 404 if version doesn't exist.

Fix #1

server/app.go

@@ -29,6 +29,7 @@ func WikiPage(c echo.Context) error {
 			// If record not found, show 404
 			if err.Error() == "record not found" {
 				return c.Render(http.StatusOK, "notfound.html", map[string]interface{}{
+				return c.Render(http.StatusNotFound, "404.html", map[string]interface{}{
 					"name": page_id,
 				})
 			}

server/server.go

@@ -57,6 +57,7 @@ func Serve() {
 	templates["edit.html"] = template.Must(template.ParseFiles("views/edit.html", "views/base.html"))
 	templates["about.html"] = template.Must(template.ParseFiles("views/about.html", "views/base.html"))
 	templates["notfound.html"] = template.Must(template.ParseFiles("views/notfound.html", "views/base.html"))
+	templates["404.html"] = template.Must(template.ParseFiles("views/404.html", "views/base.html"))
 	e.Renderer = &TemplateRegistry{
 		templates: templates,
 	}

views/404.html

@@ -0,0 +1,8 @@
+{{define "title"}}
+  Wikingo | {{index . "name"}}
+{{end}}
+
+{{define "body"}}
+    <h1>404</h1>
+    <h2>Page not found</h2>
+{{end}}