[ADD] otools-tasks module.installed

[florentx]

Port:

• camptocamp/odoo-template#677
• commit camptocamp/odoo-template@0543a7354ea939d9e0e40d9fc4f4b3ff8d3a9c28

[ivantodorovich]

I think this should be added in otools-db

e.g.: otools-db list-addons or otools-db addons list if we expect other db&addon related commands

[gurneyalex]

would be nice to have this as a click command rather than pushing new invoke features.