Document the AlertTools to implement analyses at UF and regional level

[claudia-codeco]

Find all parts that require modification to have alerts at UF and health district levels

[claudia-codeco]

Functions that must change:

• read.parameters : write in the same table?
• write.parameters
• getCases, getTweets: see if it is better to have it aggregated at the origin (not mandatory)
• pipe: how to choose climate?
• tabela_historico
• write_alerta