Modify package.json file

Author: Ahmed Elshaabany

template.config.js

@@ -1,6 +1,6 @@
 module.exports = {
     // Placeholder name that will be replaced in package.json, index.json, android/, ios/ for a project name.
-    placeholderName: 'HelloWorld',
+    placeholderName: 'ProjectName',
 
     // Placeholder title that will be replaced in values.xml and Info.plist with title provided by the user.
     // We default this value to 'Hello App Display Name', which is default placeholder in react-native template.