feat: Implement initial web UI for hackingtool

[humblemechanic706]

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This commit introduces a Flask-based web interface for the hackingtool suite.

Key features include:

• Tool Discovery: Parses existing tool definitions and displays them by category.
• Web-Based Execution:
  • Supports running tools defined by RUN_COMMANDS.
  • Supports running selected custom tools (Host2IP, Striker) with web form inputs, using sys.stdin redirection or managed subprocess execution.
• User Interface: Basic HTML templates for navigating categories, viewing tool details, and seeing execution output. Includes navigation aids and error reporting.
• Containerization: A webapp.Dockerfile and webapp-docker-compose.yml are provided to build and run the web application with tools installed in a containerized environment.
• Unit Tests: Comprehensive unit tests for the Flask application backend have been added to ensure reliability.

The web UI allows you to browse and execute a variety of tools from the hackingtool collection directly through your web browser.