Hovership MHQ upside down MOD

This is modification of Hovership MHQ with motor deck on top of assembly.

Main advantages:
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- no "top heavy" stability problems
- one deck less
- propellers are in clear space (bigger propellers could be used however longer arms are recommended)

New base deck:
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- better fit into standart reprap printing area
- no suports needed while printing
- better access trough the deck to the components (wider openings)
- arms position adjusted - mo