feat: integrate omniparserv2 api

[hetaoBackend]

What does this PR do?

• support OmniparserV2 official api
• integrate Omniparser with Qwen

Requirement/Documentation

• Omniparser api: https://github.com/microsoft/OmniParser/blob/master/omnitool/omniparserserver/omniparserserver.py

Type of change

• [x] New feature (non-breaking change which adds functionality)

Mandatory Tasks

• [x] Make sure you have self-reviewed the code. A decent size PR without self-review might be rejected. Make sure before submmiting this PR you run tests with evaluate.py

[hetaoBackend]

@joshbickett would someone have a moment to look at this? It's a really small PR that could be useful to anyone trying to integrate Omniparserv2, and I add a Qwen-VL integration as a demo as well. Thanks in advance!