Fix documentation typo

Event attributes are not positional

Author: HexDecimal

tcod/event.py

@@ -66,7 +66,7 @@
             match event:
                 case tcod.event.Quit():
                     raise SystemExit()
-                case tcod.event.KeyDown(sym) if sym in KEY_COMMANDS:
+                case tcod.event.KeyDown(sym=sym) if sym in KEY_COMMANDS:
                     print(f"Command: {KEY_COMMANDS[sym]}")
                 case tcod.event.KeyDown(sym=sym, scancode=scancode, mod=mod, repeat=repeat):
                     print(f"KeyDown: {sym=}, {scancode=}, {mod=}, {repeat=}")