Soorgeon

* Auto-generated `requirements.txt` includes `ploomber` by default
* Appends extracted packages to `requirements.txt` if already exists

* Auto-generated `requirements.txt` file after running `soorgeon refactor`
* Auto-generated serialization cell creates parent directories if needed

* Fixes function signature parsing
* Support for lambdas
* Adds more notebooks for testing

* Improved parsing for nested list comprehensions
* Fixes error when assigning >1 variable in the same equal statement
* Fixes error when replacing a locally defined variable

* Adds `--version` to CLI ([20](https://github.com/ploomber/soorgeon/issues/20))
* Support for set and dict comprehension
* Support for fn return type annotations ([25](https://github.com/ploomber/soorgeon/issues/25))
* Checking if input code does not have syntax errors ([14](https://github.com/ploomber/soorgeon/issues/14))
* Detecting and skipping class definitions
* Support for nested list comprehensions

* Better list comprehension and f-string parsing