Chap

What's Changed
* Support backend parameters via `-B name:value` by jepler in https://github.com/jepler/chap/pull/10


**Full Changelog**: https://github.com/jepler/chap/compare/0.3.0...0.4.0

What's Changed
* Textual 0.21 compatibility by jepler in https://github.com/jepler/chap/pull/9
* Add command descriptions by peterkaminski in https://github.com/jepler/chap/pull/8
* add `chap --version` by jepler in https://github.com/jepler/chap/pull/7

New Contributors
* peterkaminski made their first contribution in https://github.com/jepler/chap/pull/8

**Full Changelog**: https://github.com/jepler/chap/compare/0.2.0...0.3.0

What's Changed
* basic import from chatgpt by jepler in https://github.com/jepler/chap/pull/4
* Use markdown flavor & textual 0.18 compatibility by jepler in https://github.com/jepler/chap/pull/3
* added `chap grep`
* use flavored markdown to render markdown closer to how chat.openai.com does
* don't crash for network errors

**Full Changelog**: https://github.com/jepler/chap/compare/0.1.1...0.2.0

Now it's possible to switch the backend between the default chatgpt one, a local [textgen](https://github.com/oobabooga/text-generation-webui), or a simple lorem generator. (It's intended, but not tested, that additional backends can be shipped independently)

Now all commands are sub-commands of `chap`: `chap tui` instead of `chap-tui`. (It's intended, but not tested, that additional commands can be shipped independently)

I think the problem of individual markdown elements sometimes getting a scrollbar is resolved, but it's hard to be confident.