Speechtotext

[Shuyib]

This pull request includes several updates to the Makefile, README.md, and app.py files to enhance functionality, improve logging, and update usage instructions. The most important changes include adding a new Gradio command, updating environment variable instructions, and improving logging and error handling in app.py.

Makefile updates:

• Added a new command run_gradio_stt to run Gradio with the voice_stt_mode.py script.
• Updated the format command to include all Python files in the root directory.

README.md updates:

• Added instructions for setting the GROQ_API_KEY environment variable. [1] [2]
• Updated usage instructions to include support for both Text and Voice input tabs in the app.

app.py updates:

• Improved logging configuration with a rotating file handler and masked sensitive information in logs. [1] [2] [3]
• Added error handling for the Ollama client and Gradio interface. [1] [2] [3]
• Organized the code with sections and added functions for masking phone numbers and API keys.