CheckBasicStyle: Check number of empty lines between functions (#4267)

Add check for number of empty lines between functions and fix the corresponding failures

src/Entities/ExpOrb.cpp

@@ -82,6 +82,10 @@ void cExpOrb::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 	}
 }
 
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+
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 bool cExpOrb::DoTakeDamage(TakeDamageInfo & a_TDI)
 {
 	if (a_TDI.DamageType == dtCactusContact)