Add ST7735 driver to Quantum Painter

[infinityis]

Using ST7789 as a template, I've added an ST7735 driver to Quantum Painter

Description

The ST7735 driver code is very similar to the existing ST7789 driver code, with a few exceptions:

• The list of ST7735-specific opcodes in qp_st7735_opcodes.h are different (albeit currently unused by QP)
• The automatic viewport offsets are different. Testing was done using a 80x160 ST7735 display, for which the automatic offsets were determined experimentally for each rotation option.

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• Keyboard (addition or update)
• Keymap/layout/userspace (addition or update)
• Documentation

Issues Fixed or Closed by This PR

Checklist

• My code follows the code style of this project: C, Python
• I have read the PR Checklist document and have made the appropriate changes.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• I have tested the changes and verified that they work and don't break anything (as well as I can manage).