update gitignore & gitattributes for Wwise

.gitattributes

@@ -0,0 +1,7 @@
+*.wav filter=lfs diff=lfs merge=lfs -text
+*.mp3 filter=lfs diff=lfs merge=lfs -text
+*.ogg filter=lfs diff=lfs merge=lfs -text
+*.wem filter=lfs diff=lfs merge=lfs -text
+*.bnk filter=lfs diff=lfs merge=lfs -text
+*.aif filter=lfs diff=lfs merge=lfs -text
+*.aiff filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -39,6 +39,16 @@ ExportedObj/
 *.opendb
 *.VC.db
 
+#Wwise
+.backup*
+.cache*
+*.akd
+*.prof
+*.validationcache
+*/Assets/Wwise/Editor/ProjectData/AkaWwisePojectData.Asset*
+IncrementalSoundBankData.xml
+
+
 # Unity crash
 sysinfo.txt