Add entity_in_radius entity condition type

[eggohito]

This PR adds an entity_in_radius entity condition type, which checks whether there's a specified number of entities that fulfill the specified bi-entity condition within the radius of an area relative to the entity's feet. It accepts these fields:

Note

In the context of this entity condition type, the 'actor' is the entity while the 'target' are the entities within the radius of the specified area.

Field	Type	Default	Description
bientity_condition	Bi-entity Condition Type		The bi-entity condition to evaluate on either or both the 'actor' and 'target(s)'
shape	Shape	"cube"	Determines the shape of the area used for checking how many entities fulfill the bi-entity condition. Accepts "cube", "star", or "sphere".
radius	Float		Determines the radius of the area used for checking how many entities fulfill the bi-entity condition.
comparison	Comparison	">="	Determines how the amount of entities that fulfill the bi-entity condition should be compared to a specific value.
compare_to	Integer	1	The value at which the amount of entities that fulfill the bi-entity condition will be compared to.

[MerchantPug]

Nice!