Add assets to gitattributes and gitignore

.gitattributes

@@ -0,0 +1,14 @@
+# Images
+*.bmp                binary
+*.exr                binary
+*.gif                binary
+*.hdr                binary
+*.iff                binary
+*.jpeg               binary
+*.jpg                binary
+*.pict               binary
+*.png                binary
+*.psd                binary
+*.tga                binary
+*.tif                binary
+*.tiff               binary

.gitignore

@@ -2,6 +2,10 @@
 # Created by https://www.toptal.com/developers/gitignore/api/node
 # Edit at https://www.toptal.com/developers/gitignore?templates=node
 
+### Project ###
+assets/image_cache
+assets/cards
+
 ### Visual Studio Code ###
 .vscode 
 # Except launch.json