updated gitattributes and gitignore

.gitattributes

@@ -1,15 +1,30 @@
-*.uasset filter=lfs diff=lfs merge=lfs -text lockable
-*.umap filter=lfs diff=lfs merge=lfs -text lockable
-
-*.png filter=lfs diff=lfs merge=lfs -text
-*.jpg filter=lfs diff=lfs merge=lfs -text
-*.fbx filter=lfs diff=lfs merge=lfs -text
-*.obj filter=lfs diff=lfs merge=lfs -text
-*.wav filter=lfs diff=lfs merge=lfs -text
-*.mp4 filter=lfs diff=lfs merge=lfs -text
-*.exr filter=lfs diff=lfs merge=lfs -text
-*.fbl filter=lfs diff=lfs merge=lfs -text
-*.fbx filter=lfs diff=lfs merge=lfs -text
-*.dll filter=lfs diff=lfs merge=lfs -text
-*.pdb filter=lfs diff=lfs merge=lfs -text
-*.exe filter=lfs diff=lfs merge=lfs -text
+[attr]lock filter=lfs diff=lfs merge=binary -text lockable
+[attr]lockonly lockable
+[attr]lfs filter=lfs diff=lfs merge=binary -text
+[attr]lfstext filter=lfs diff=lfstext merge=lfstext -text
+# Unreal Engine file types.
+*.uasset lock
+*.umap lock
+*.locres lfs
+*.locmeta lfs
+# Steam Audio files
+*.phononscene lfs
+*.probebox lfs
+*.probebatch lfs
+*.bakedsources lfs
+# Binaries
+*.exe lfs
+*.dll lfs
+*.rcc lfs
+# FMOD
+*.bank lfs
+*.wav lfs
+*.mp3 lfs
+*.ogg lfs
+*.flac lfs
+# Icons
+*.png lfs
+*.ico lfs
+*.icns lfs
+# Movies
+*.bk2 lfs