revise readme

inputs

@@ -1,4 +1,5 @@
 {
   "{{ project_name }}.raw_name": "{{ raw_name }}",
-  "{{ project_name }}.new_name": "{{ new_name }}"
+  "{{ project_name }}.new_name": "{{ new_name }}",
+  "{{ project_name }}.disk_size": "{{ disk_size }}"
 }