Adding new initial migrations and install readme

-Remove database dependency
-Add detailed installation of colab and all of its tools

Signed-off-by: Gustavo Jaruga <darksshades@gmail.com>
Fixed proxy migration

Signed-off-by : Alex Campelo <chevalier.beaumont@gmail.com>
Signed-off-by: Gustavo Jaruga <darksshades@gmail.com>