* add images of examples using turtlebot3

* add example tutorial of turtlebot3

* change turtlebot3 image and add gif to show example3 image

* fix image file path

* compress gif file

* add specification i used for the demo

* add launch file for turtlebot3 and mcp server
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Co-authored-by: Rohit John Varghese <rohit@contoro.com>

… macOS with XQuartz for example 5 (#186)

- Fix macOS XQuartz display issues with dynamic DOCKER_DISPLAY variable
- Add platform-specific setup instructions for macOS, Linux, Windows
- Remove hard-coded IP addresses and display numbers
- Add comprehensive troubleshooting for common X11 connection errors
- Resolves Docker GUI display issues on macOS and improves cross-platform compatibility.

---------

Co-authored-by: Stefano Dalla Gasperina <stefano.dallagasperina@austin.utexas.edu>

* Update image under installation guide for tutrtesim ROS2 system query example

Updated docs with custom MCP client integration

Replace mutable default arguments (dict={}, lists=[]) with None and
initialize inside the functions to prevent cross-call state bleed.

- Add resources/ros_metadata.py: Resource for getting all ROS metadata (topics, services, nodes, parameters)
- Add resources/robot_specs.py: Resource for listing all available robot specifications
- Fix rosapi parameters service: Use /rosapi/get_param_names instead of /rosapi/parameters
- Add resources/__init__.py: Register all resources with MCP server
- Update server.py: Register MCP resources on startup