fix installation

README.md

@@ -43,15 +43,9 @@ This package is under development.  We will release it soon in the future.
 You can install wan with **one** of the following command
 
 <!-- [fzf](https://github.com/junegunn/fzf) is required -->
-```shell
+```bash
 # 1)
-# pip install wan  # TODO: upload this to pip source
-# 2)
-pip install git+https://github.com/you-n-g/wan.git@main
-# 3)
-python setup.py install
-# 4)
-python setup.py develop  # It is recommended if you want to develop wan
+pip install wanot
 ```
 
 ## config