Create ASDF system definition etc

package.lisp

@@ -0,0 +1,10 @@
+;; Copyright (c) Camden Dixie O'Brien
+;; SPDX-License-Identifier: AGPL-3.0-only
+
+(in-package :common-lisp-user)
+
+(defpackage :ham
+  (:use :common-lisp :sdl2)
+  (:export :line :circle :rectangle :centre-rectangle
+		   :define-transform :translate :scale :rotate
+		   :overlay :graphics-context :cleanup :display-frame))