✨ Features
- **MandelbrotChannelQueryParams**: `context_params` & `command_params` are being routed correctly
🐛🚑️ Fixes
- **MandelbrotChannelFetcher**: if only one symbol is queried, add a symbol column w/ the symbol
- **ToolboxQueryParams**: fixed `field_validator` to work with list or csv in a str
- **ToolboxQueryParams**: added default date generation
✅🤡🧪 Tests
- **mandelbrot_channel**: finsihed integration tests & renamed standard_model file
- **ToolboxQueryPArams**: added test for custm `field_validator`
- **queryparams & data**: added simple tests to check vpydantic validation is running right
- **mandelbrot_channel_historical**: added successful tests asserting googl, amd and pct values
📌➕⬇️ ➖⬆️ Dependencies
- **pandera**: trying github install of initial pandera update for `pl` supprt