Added cli functionality

[Exterminator11]

Description: This PR strives to add new command line utility to the chat-miner project, this cli supports the conversion of chats to data frames that are eventually converted to csv files.

Changes Made:

• Added the cli.py file that contains the main functionality for the CLI
• Added setup.py file to use the CLI functionality
• Added help to the CLI functionality

Screenshots:

Related issues:

105 : CLI to parse into csv files

Additional notes: I'm open to feedback and further improvements. Please let me know if any changes are needed.

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -10.36% :warning:

Comparison is base (8d0d7ad) 71.58% compared to head (1d599e7) 61.23%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #106 +/- ## =========================================== - Coverage 71.58% 61.23% -10.36% =========================================== Files 1 2 +1 Lines 278 325 +47 =========================================== Hits 199 199 - Misses 79 126 +47 ``` | [Flag](https://app.codecov.io/gh/joweich/chat-miner/pull/106/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Weich) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/joweich/chat-miner/pull/106/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Weich) | `61.23% <0.00%> (-10.36%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Weich#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files Changed](https://app.codecov.io/gh/joweich/chat-miner/pull/106?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Weich) | Coverage Δ | | |---|---|---| | [chatminer/cli.py](https://app.codecov.io/gh/joweich/chat-miner/pull/106?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Weich#diff-Y2hhdG1pbmVyL2NsaS5weQ==) | `0.00% <0.00%> (ø)` | |

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[joweich]

@Exterminator11 looks great, thank you! :rocket: I quickly fixed the formatting to align with black/isort and removed the comments that are self-explanatory. Congrats on your very first open source contribution! :tada:

[Exterminator11]

Thank you for the kind words! 🚀 I'm glad I could help. Excited to be part of the open source community! 🎉.