Pyx2cscope

- supporting dsPIC33A.
- New GUI.
- Array Functionality.
- Parsing external variables.
- Web interface running offline.
- Fixed misspelling from the main file (X2Cscope file).
- New Command-line interface .i.e python -m pyx2cscope --> pyx2cscope.
- Enhanced documentation.
- Using mchplnet v0.2.1 (including dsPIC33A).
- Enhanced UnitTests.

Co-authored-by: Mark Wendler <mark.wendlermicrochip.com>
Co-authored-by: Edras Pacola <edras.pacolamicrochip.com>
Co-authored-by: Yash Agarwal <yash.agarwalmicrochip.com>

What's Changed
* Array support by yashagarwal-314 in https://github.com/X2Cscope/pyx2cscope/pull/20
* X2C Web interface by edras in https://github.com/X2Cscope/pyx2cscope/pull/23
* Documentation / sphinx / ruff / pytest by X2Cscope in https://github.com/X2Cscope/pyx2cscope/pull/22
* Fix dependencies by MarkWendler in https://github.com/X2Cscope/pyx2cscope/pull/31

Contributors
* yashagarwal-314 made their first contribution in https://github.com/X2Cscope/pyx2cscope/pull/2
* edras made their first contribution in https://github.com/X2Cscope/pyx2cscope/pull/15
* X2Cscope made their first contribution in https://github.com/X2Cscope/pyx2cscope/pull/17
* MarkWendler made their first contribution in https://github.com/X2Cscope/pyx2cscope/pull/31

**Full Changelog**: https://github.com/X2Cscope/pyx2cscope/commits/v0.2.1