feat: add readme content
MODIFY
templates/README.md.ejs
templates/README.md.ejs
[![Known Vulnerabilities](https://snyk.io/test/npm/<%= pjson.name %>/badge.svg)](https://snyk.io/test/npm/<%= pjson.name %>)
[![Downloads/week](https://img.shields.io/npm/dw/<%= pjson.name %>.svg)](https://npmjs.org/package/<%= pjson.name %>)
[![License](https://img.shields.io/npm/l/<%= pjson.name %>.svg)](https://github.com/<%= repository %>/blob/master/package.json)
+
+<!-- install -->
+<!-- usage -->
+<!-- commands -->

feat: add readme content