[FEAT]: Invoice Settings new fields

[jdenquin]

• Add New Fields required for Invoice Settings

Organizations

Field	Description	Type
logo	Organization Logo	string
legal_name	Organization's legal name	string
legal_number	Organization's legal number	string
email	Organization's main email	string
address_line_1	Address Line 1	string
address_line_2	Address Line 2	string
state	Address State	string
zipcode	Address Zipcode	string
city	Address City	string
country	Address Country	string

Invoices

Field	Description	Type
invoice_number	Invoice Number	string

• Add validations on models

[jdenquin]

Linked to https://github.com/getlago/lago-product/issues/18