Update .gitignore to include trailing slashes

.gitignore

 .DS_Store
 
-/deck
-/expansions
-/fonts
+/deck/
+/expansions/
+/fonts/
 /icon
-/pack
-/pics
-/replay
-/single
-/sound
+/pack/
+/pics/
+/replay/
+/single/
+/sound/
 !/sound/files.txt
-/WindBot
+/WindBot/
 /cards.cdb
 /error.log
 /bot.conf
@@ -24,17 +24,17 @@
 /irrKlang.dll
 
 /.vscode/
-/bin
-/build
-/obj
-/event
-/freetype
-/irrlicht
-/irrklang
-/ikpmp3
-/lua
-/miniaudio
-/sqlite3
+/bin/
+/build/
+/obj/
+/event/
+/freetype/
+/irrlicht/
+/irrklang/
+/ikpmp3/
+/lua/
+/miniaudio/
+/sqlite3/
 /gframe/*.ico
 /gframe/ygopro.rc
 /gframe/ygopro.aps