* Add ambulance icon
* Remove extra attributes and connect path under wheels
* Lift roof and "+" to adhere to 2px gap rule for icons/ambulance.svg
Co-authored-by: Jakob Guddas <github@jguddas.de>
* Increase cab height of ambulance
* Add contributors from truck icon
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Co-authored-by: Jakob Guddas <github@jguddas.de>