[feat] Update scripts and README

[sfc-gh-bnisco]

What changed?

• Replaced pip with uv in installation instructions
• Added comprehensive development setup instructions to the README
• Updated the Bokeh version update script to work with the new project structure

[sfc-gh-bnisco]

• [feat] Update scripts and README #42 👈 (View in Graphite)
• [test] Add testing for v1 and v2 #41
• [feat] Add CCv2 support #40
• [chore] Migrate from cra to vite #39
• [chore] Migrate from setup.py to pyproject #38
• main

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[Copilot]

Pull Request Overview

This PR updates the project's tooling and documentation to reflect a migration from pip to uv and from setup.py to pyproject.toml configuration. It provides comprehensive development setup instructions and modernizes the Bokeh version update automation script.

Key changes:

• Replaced all pip commands with uv in installation and development instructions
• Added detailed development setup guide with prerequisites, environment setup, and testing instructions
• Refactored the Bokeh version update script to work with pyproject.toml instead of setup.py, including support for multiple configuration files and TypeScript loader updates

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
scripts/update_bokeh_version.py	Migrated from setup.py to pyproject.toml for version management, added TOML parsing, updated file paths to match new project structure (frontend/src/assets), and added TypeScript loader update functionality
README.md	Updated installation commands to use uv instead of pip, added comprehensive development section with environment setup, build instructions, and testing workflows

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[sfc-gh-nbellante]

LGTM 👍