chore(roadmap): Update readme to add roadmap for the next features in…

… mind

README.md

@@ -43,6 +43,26 @@ The aim of this project is to merge designing and prototyping into one single pr
 * Local persistence to save the work in progress
 * ... more to come with time
 
+</br>
+
+## Roadmap
+
+Off the top of my head, I foresee the following points to be developed in the next releases. Don't hesitate to open an issue if you have a feature request.
+
+- [ ] Hold shift to maintain aspect ratio on manual resize
+- [ ] Ability to zoom-in / zoom-out in the editor
+- [ ] Allow the insertion of raw CSS rules (expert mode)
+  - [ ] Identify possible risks
+- [ ] Add extra styles controls
+  - [ ] BoxShadow
+  - [ ] Overflow
+  - [ ] TextOverflow
+- [ ] Manage creation/edition of custom components
+  - [ ] Transition to custom component (group/ungroup)
+  - [ ] Implement custom component editor view
+- [ ] Implement tree navigator to visualize page structure
+
+
 </br>
 
 ## Mouse / Keyboard combinations