Fix type in readme

Author: sergeysova

readme.md

@@ -71,7 +71,7 @@ module.exports = routes
 
 ### Express
 
-More in it's repo [createrest-express](https://atmx.in/rest-ex)
+More in its repo [createrest-express](https://atmx.in/rest-ex)
 
 ```js
 const { createRestExpress } = require('createrest-express')
@@ -89,7 +89,7 @@ app.listen(4001, () => {
 
 ### Koa
 
-More in it's repo [createrest-koa](https://atmx.in/rest-koa)
+More in its repo [createrest-koa](https://atmx.in/rest-koa)
 
 ```js
 const Koa = require('koa')