Added option to run sgpt with LocalAI (TheR1D#307)

Removing date stricted models, release 0.9.3 (TheR1D#285)

Simple shell Integrations (TheR1D#267)

Option to describe --shell commands when executing (TheR1D#249)

Custom roles (TheR1D#183)

* Implementing custom roles.
* Implementing system role messages.
* Small stdin change with new lines at the end.
* Small option name fix --list-chats.
* Refactoring module imports.
* Adding tests for roles.

Update README.md

Accept prompt from stdin (TheR1D#163)

Option to change completion color (TheR1D#157)

* Optimized config module with Config class.
* Added config option to change OpenAI completion color in terminal.

Model choice option to support GPT-4 (TheR1D#151)

* Model choice option to support GPT-4
* Added default model to config file
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Co-authored-by: Levi Purdy <lpurdy01@gmail.com>

Fixing shell command output stream (TheR1D#150)