Plugin should automate tasks done by hand

[frgomes]

The plugin should provide tasks which automate tasks which are done by hand at the moment, like installing Android and iOS resources, like providing Expo support and related tasks.

This ticket is intended to track milestones only.
The actual discussion of milestones are separated in other tickes, reference here:

• M1: Support for SBT1.x :: Publish plugin for SBT 1.x sri#15
• M2: Automate installation of platform resources :: Automate installation of platform resources #5
• M3: provide Expo support :: Provide Expo support #6
• M4: provide common tasks to platform modules :: Plugin should provide common tasks to platform modules #7
• M5: enable acyclic plugin :: Enable acyclic plugin #8