Initial commit: JMESPath Testing Tool

- React-based web application for testing JMESPath expressions
- macOS-first containerization with Apple container command
- Bootstrap UI with real-time evaluation
- GitHub Actions CI/CD pipeline
- Docker fallback support
- Comprehensive documentation and development scripts

.github/copilot-instructions.md

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+---
+description: Instructions for using the JMESPath Testing Tool repository.
+applyTo: "**/*.md,**/.js"
+---
+# AI Agent Instructions for JMESPath Testing Tool
+
+The tool in this repository is designed to help users validate and test JMESPath expressions against JSON data. It is a React-based web application that provides an interactive interface for entering JMESPath queries and viewing the results.
+
+The application is single page. The page is divided into three sections:
+
+- Top section: Title and description of the tool.
+- Middle section: Input area for JMESPath expressions
+- Bottom left section: Input area for JSON data
+- Bottom right section: Output are for JMESPath query results
+
+The main components of the application are located in the `src` directory and target Node 24 LTS environment.
+
+Framework to be used:
+
+- React for building the user interface.
+- JavaScript (ES6+) for scripting.
+- Bootstrap for styling and layout.
+
+## Containerization
+
+The application should be prepared for deployment using containerization. It should extend minimal Node 24 LTS container image.
+
+Do not assume the Docker is installed on the development machine.
+
+The development machine is a MacOS system with Apple `container` command from @github/apple/container.
+
+Build scripts should target MacOS with the above toolset as first class environment. Docker should be used only as secondary option.