Add LaTeX OCR model

New OCR model and streamlit app

• Release a new LaTeX OCR model
• Add streamlit app to interactively select and OCR equations

What's Changed

• Improve typing for PolygonBox.bbox by @kevinhu in #291
• Add LaTeX OCR by @VikParuchuri in #292
• Texify by @VikParuchuri in #295
• Final texify version by @VikParuchuri in #296
• Integrate new latex OCR model by @VikParuchuri in #293

New Contributors

• @kevinhu made their first contribution in #291

Full Changelog: v0.9.3...v0.10.0