Add ID to abbreviations.

UnitySDK/UnitySDK.sln.DotSettings

 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=BLAS/@EntryIndexedValue">BLAS</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=CPU/@EntryIndexedValue">CPU</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=GPU/@EntryIndexedValue">GPU</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=ID/@EntryIndexedValue">ID</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=NN/@EntryIndexedValue">NN</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=PNG/@EntryIndexedValue">PNG</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=RL/@EntryIndexedValue">RL</s:String>