add: Audio::AudioContext doc mapping

docs/list.js

@@ -518,7 +518,8 @@ var list = {
 
 			"Audio": {
 				"Audio": "api/ar/audio/Audio",
-				"AudioAnalyser": "api/ar/audio/AudioAnalyser"
+				"AudioAnalyser": "api/ar/audio/AudioAnalyser",
+				"AudioContext": "api/ar/audio/AudioContext"
 			}
 
 		}