The dashboard was not displaying expenses correctly, and the categorias menu was empty. This commit revises the code to ensure expenses are correctly calculated and displayed, and that the categorias menu populates with data.
- Adjusted the display of transaction values to be positive for income and negative for expenses, based on the category.
- Activated the icons for "Receitas", "Despesas", "Saldo", and "Economia" in the dashboard.
Connects the "Transações", "Categorias", and "Calendário" menu items to their respective functionalities. Ensures data from Supabase is displayed in these sections.
Implement a dashboard to display financial information from a Supabase database. The data will be fetched from the 'transacoes' table, which includes columns like id, user, created_at, valor, quando, detalhes, estabelecimento, tipo, and categoria.
