React18 Upgrade

Imported from github/awesome-copilot (MIT, commit 613efc8). This plugin was written by its upstream authors and has not been reviewed by AI Development Hub. See the bundled LICENSE.

Enterprise React 18 migration toolkit with specialized agents and skills for upgrading React 16/17 class-component codebases to React 18.3.1. Includes auditor, dependency surgeon, class component migration specialist, automatic batching fixer, and test guardian.

Installing this plugin installs:

• 6 agents: awesome-copilot/react18-auditor, awesome-copilot/react18-batching-fixer, awesome-copilot/react18-class-surgeon, awesome-copilot/react18-commander, awesome-copilot/react18-dep-surgeon, awesome-copilot/react18-test-guardian
• 7 skills: awesome-copilot/react-audit-grep-patterns, awesome-copilot/react18-batching-patterns, awesome-copilot/react18-dep-compatibility, awesome-copilot/react18-enzyme-to-rtl, awesome-copilot/react18-legacy-context, awesome-copilot/react18-lifecycle-patterns, awesome-copilot/react18-string-refs