Ubuntu error with pgcli solution

[rafaeljcd]

As you can see there, running the pgcli at ubuntu sometimes will cause an error even after installing the library
pip install psycopg2-binary

The solution to this can be found from this Stackoverflow answer

sudo apt-get install libpq-dev

And then you'll be able to use the pgcli.

If possible to add this to the FAQs

[alexeygrigorev]

Yes please add it to FAQ