fix(docs): move custom verbs from planned to done

README.md

@@ -11,19 +11,19 @@ See [the demo on Github Pages](https://ssube.github.io/textual-engine/) or [the
 - text
 - adventure
 - worlds:
+  - contextual verbs
   - item modifiers
   - persistent rooms
-  - procedural world growth
-  - save and load world state
+  - procedural expansion
   - wandering monsters
+  - save and load
 - engine:
   - entity scripts
   - event broadcast
   - localization of both input and output (with [i18next](https://github.com/i18next/i18next))
   - multiple data sources (fetch and file in Node CLI, fetch and page element in browser)
   - multiple rendering engines ([readline](https://nodejs.org/api/readline.html), [Ink](https://github.com/vadimdemedes/ink), and [React](https://github.com/facebook/react/))
 - planned:
-  - custom verbs from items or rooms
   - natural language processing for input
   - world editor for React browser UI