Publish Forma Engine 0.3.0 source with documentation and CI

engine/templates.ts

@@ -0,0 +1,9 @@
+import { emptyProject, type Project, type ScriptAsset } from "./schema.ts";
+
+/** New projects contain no game content or pre-bound behaviors. */
+export const builtinScripts = (): ScriptAsset[] => [];
+
+// Preserve the optional flag for callers written before the empty-only release.
+export function defaultProject(_blank = true): Project {
+  return emptyProject();
+}