Wifind

- Fix bug caused by learn function calling save data without data already saved
([0891467](https://github.com/micheledinelli/wifind/commit/08914678eae4b81f3f3fd911a6731ac9d53a7bc4), micheledinelli)

- Code cleanup and added `--watch` 👀 command
([b6eaabd](https://github.com/micheledinelli/wifind/commit/b6eaabd7b73fc1515665727795c572a26d44a9e3), micheledinelli)
- Added version command and file `_version.py`
([36df0b2](https://github.com/micheledinelli/wifind/commit/36df0b20493c09e66dc2f3c83bf33295e298dfc0), micheledinelli)

First version of the package