[Idea] Add drones

Here is the drone, the concept of a new unit:

• 56 Combat Strength
• 8 Movement Points
• 3 Range
• Gunship (Ignores all constraints and bonuses from terrain, and cannot be attacked by melee units.)
• It can reveal in combat Stealth units
• It doesn't need Population 
• It should be damaged when attacking when in Range of Garrisons/some anti-air defenses in a similar way aircrafts do
• (Should it only heal in aerodrome districts/ in a certain range of them?)
• (Should it have "suicide" or "stealth" versions? Maybe as EUs... ?)
• Unlocked in... Covert Ops (?)
• Cost ?
• Should it count as an air or a land unit?

Here is a very similar idea, give it a look

Note: I kindly remind you that, since 1M pts ideas shall potentially make its addition to the game, an upvote would be really appreciated.

         Thank you for your support :)