WIP! Stellantis ECMP: Add UDS superclass (DTC Read/Clear)

[dalathegreat]

What

This PR implements ...

Why

Why does it do it?

How

How does it do it?

Types of changes

• Bugfix (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 before)
• Code quality improvements to existing code or addition of tests

Related issue or feature (if applicable):

• fixes

Pull request in Battery Emulator Wiki updating documentation (if applicable):

• wiki PR

Checklist:

• The code change is tested and works locally.

Tip

Don't worry if you haven't submitted the Wiki docs PR yet! You can still submit this PR, but please don't forget to also document your changes in the docs as the next step. Then, come back here and edit this description with the link of the PR you just created there.

You can help test this PR using these steps

[github-actions]

Firmware size report

Base: f7711c2 on main · This PR: 5fc94d6

Board	New size	Max	% Flash	Δ Flash
Lilygo T-CAN485	1,891,311	1,966,080	96.20%	-17,080
ESP32 DevKit V1	1,845,191	1,966,080	93.85%	-16,244
Stark CMR	1,885,915	3,342,336	56.43%	-16,956
DFRobot Edge101	1,928,615	6,553,600	29.43%	-16,816
Waveshare ESP32S3RS485CAN	1,874,206	6,553,600	28.60%	-15,668
Lilygo T-2CAN	1,867,276	6,553,600	28.49%	-15,712
BECom ES32S3	1,863,828	6,553,600	28.44%	-16,088

To test this firmware on your device:

1. Make sure you're logged into GitHub
2. Click the link above corresponding to your hardware type
3. Download the .ota.bin file for your board
4. Upload the .ota.bin via OTA