Initial commit for game init/shutdown code.

src/main.odin

@@ -0,0 +1,12 @@
+package game
+
+main :: proc() {
+    game := game_init()
+
+    for game_should_run(&game) {
+        game_update(&game)
+        game_draw(&game)
+    }
+
+    game_close(&game)
+}