feat(t_keyboard): added t_keyboard component

[finger563]

Description

• Added new input component for getting key presses from a LilyGo T-Keyboard
• Added example for testing the TKeyboard component on a LilyGo T-Deck
• Updated and rebuilt docs
• Updated ci

Motivation and Context

Keyboards are nice, and this one is already on the LilyGo T-Deck which I have - which makes it doubly nice :)

How has this been tested?

Building and running the new example on the LilyGo T-Deck.

Screenshots (if appropriate, e.g. schematic, board, console logs, lab pictures):

Using the new thread in the class:

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update
• Hardware (schematic, board, system design) change
• Software change

Checklist:

• My change requires a change to the documentation.
• I have added / updated the documentation related to this change via either README or WIKI

Software

• I have added tests to cover my changes.
• I have updated the .github/workflows/build.yml file to add my new test to the automated cloud build github action.
• All new and existing tests passed.
• My code follows the code style of this project.