feat: create llm basic dispute bot

[md0x]

Motivation

This is a basic LLM dispute bot scaffolding to be completed once we have LLM strategies. Depends on https://github.com/UMAprotocol/protocol/pull/4629

Testing

Check a box to describe how you tested these changes and list the steps for reviewers to test.

• [ ] Ran end-to-end test, running the code as in production
• [X] New unit tests created
• [ ] Existing tests adequate, no new tests required
• [ ] All existing tests pass
• [ ] Untested

Issue(s)

Fixes #XXXX

[linear[bot]]

UMA-1760 Create LLM dispute bot wrapper base

Create a base to run bot that can be run in our infrastructure, with a signer that can use the LLM modules to dispute requests when necessary.