Refactor Telegram bot greeting message and update user repository query; remove unused files and add repository and tool initializations.

Merge branch 'main' of https://github.com/annacteixeira/Python-Asimov-Academy

Refatorando tools

Update README.md

Create README.md

Create requirements.txt

Create pyproject.toml

Create poetry.lock

Update weight_update_tool.py

Update user_registration_tool.py

Update user_info_tool.py

Update report_tool.py

Update meal_entry_tool.py

Update diet_plan_tool.py

Update user.py