improve roadmap

README.md

@@ -59,3 +59,9 @@ $ ./bin/reciper example/demo
 - Ingredients hash-colored
 - Annotation for already available ingredients
     - Availability state passed along tree traversal
+- Include library of definitions
+    - Generate libraries of definitions from mc & Factorio
+- Resolve multiple choice situations
+    - avoid circular deps
+    - interactive preference query for persistent recipe preference storage
+- Annotation for one-time cost (recipe of production machine)