Add hitbox component

modules/ces/component/hitbox.scm

@@ -0,0 +1,19 @@
+(define-module (ces component hitbox)
+  #:pure
+  #:use-module (scheme base)
+  #:export (make-hitbox
+            hitbox?
+            hitbox-entity-id
+            hitbox-x
+            hitbox-y
+            hitbox-width
+            hitbox-height))
+
+(define-record-type <hitbox>
+    (make-hitbox (entity-id x y width height))
+  hitbox?
+  (entity-id hitbox-entity-id)
+  (x hitbox-x)
+  (y hitbox-y)
+  (width hitbox-width)
+  (height hitbox-height))