Fenv

- [x] Add option `--add` for `fenv new` for install packages after created virtualenv such `fenv new test_1 --add=[request,flet]` or `fenv new test_1 --add=request,flet` or `fenv new test_1 --add=request,flet` or `fenv new test_1 --add request,flet` 

- [x] Add command `fenv clone <git url>` [](https://github.com/watchakorn-18k/Fenv/issues/7) 
- [x] Optimize code to match case

- [x] Remove `fenv deactivate` from [pull/6](https://github.com/watchakorn-18k/Fenv/pull/6/files#diff-c8c31647a371f705e0fe45e4a3091400d282af4643adb128636378717392a79d) yassine20011
- [x] Clean code [env_all.py](https://github.com/watchakorn-18k/Fenv/pull/6/files#diff-75263248e3c88543bbd5e52333f6d3bf4cdfe36cb3e0c685bf65aa0f77829820) , [manage_file.py](https://github.com/watchakorn-18k/Fenv/pull/6/files#diff-b2587f7f2faf4e65b162d52ab45a8f0facefc0485718cadc198a3a064ab1ce48) yassine20011
- [x] Fix in file `state_env.py` [pull/6](https://github.com/watchakorn-18k/Fenv/pull/6/files#diff-0cb3f6829c4ad490de31b6b38b7cb0885596892ec2d578f045828acb3e13f1e2) yassine20011

- [x] An improved string using f-string format yassine20011 [pull/5/files](https://github.com/watchakorn-18k/Fenv/pull/5/files)
- [x] Add installation instructions for Windows users using pipx yassine20011 [pull/5/files](https://github.com/watchakorn-18k/Fenv/pull/5/files)

- [x] Add command more `fenv deactivate` Command hint to deactivate virtual environment with folder
- [x] Add command more `fenv activate` Command hint to activate virtual environment with folder

- Fix error ModuleNotFoundError: No module named 'dotenv' and not show version fenv