add layouts in monorepo

package.json

@@ -39,6 +39,7 @@
     "wax-prosemirror-components",
     "wax-prosemirror-themes",
     "wax-prosemirror-utilities",
+    "wax-prosemirror-layouts",
     "editors/*"
   ]
 }

wax-prosemirror-layouts/package.json

+{
+  "name": "wax-prosemirror-layouts",
+  "author": "Collaborative Knowledge Foundation",
+  "version": "0.0.1",
+  "description": "Wax prosemirror layouts",
+  "license": "MIT",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "dependencies": {},
+  "devDependencies": {}
+}