Merge pull request #1 from Caezarr/Caezarr/code-review

fix: gitignore .context/, restore !.env.example exclusion

fix: load MONGO_URI from .env instead of exposing in commands

fix: normalize WonkaChat model names and add multi-preference eval

feat: add evaluation script for real LibreChat/WonkaChat data

refactor: fix bugs, remove dead code, improve architecture

feat: add OpenAI-compatible proxy with LibreChat preference dropdown

fix: resolve code review issues and add missing test coverage

docs: rewrite README with full RouteLLM-inspired structure

feat: initial release of QueryRouter++ v0.2.0