Updated template for i18n

ref #5

src/locales/en.json

@@ -1,7 +1,5 @@
 {
-  "test1": "Change Language to",
-  "test2": "What is good?",
-  "id": "ID",
-  "firstname": "FIRSTNAME",
-  "asd": "asd"
-}
+  "firstname": "firstname",
+  "lastname": "lastname",
+  "group": "group"
+}