This pull request introduces the integration of the Vybra Spire device into the RPi-AI project. The most important changes include adding the tinytuya dependency, updating the installation script to handle new environment variables, and implementing a new module for interacting with the Vybra Spire device.

Dependency updates:

• pyproject.toml: Added tinytuya to the list of dependencies.

Installation script enhancements:

• release/install_rpi_ai.sh: Modified the script to prompt for Vybra Spire-specific environment variables if they are not set. [1] [2]
• release/install_rpi_ai.sh: Removed the instruction to add the GEMINI_API_KEY to .bashrc from the README generation section.

Vybra Spire device integration:

• src/rpi_ai/function_calling/devices/vybra_spire.py: Implemented a new module with classes and methods to control the Vybra Spire device, including turning it on/off, setting modes, and retrieving the current temperature.
• src/rpi_ai/functions.py: Added the Vybra Spire functions to the list of available functions in the RPi-AI system.