Update TODO

TODO.md

@@ -1,21 +1,16 @@
 # TODO
 
-- [ ] SCSS: Normalize
-- [ ] General: Add redux
-- [ ] General: Responsive on mobile
-  - [ ] Tooltips on mobile 
-- [ ] Talent tree: Reset button per tree (?)
 - [ ] Fix: Initial load `pointString` validation (make sure all talents are valid and their deps are met)
 - [ ] Fix: Navigating between talent links for same class does not trigger re-render
-- [ ] Nice to have: Support multiple positions for tooltip (currently only `top-right` with fallbacks based on viewport)
-- [x] General: Talent tooltips
-- [x] Fix: Arrow should start underneath the icon
-- [x] Talent tree: Arrows for dependencies
-- [x] System: Generate URL for chosen talents
-- [x] Talent tree: Prettier talent frames
-- [x] Talent tree: Colour markings on icons
-- [x] Prettier icon frames
-- [x] Pretty ClassPicker
-- [x] Add react-router
-- [x] Prevent reducing talent points on a row when it is a dependency for points already spent in the next row
-- [x] Prevent reducing talent points on a talent that is a requirement for another talent with points in it
+
+- [ ] Styling:
+  - [ ] SCSS: Normalize
+- [ ] General:
+  - [ ] Add redux
+- [ ] Responsiveness:
+  - [ ] Tooltips on mobile need different UX
+- [ ] Talent tree: 
+  - [ ] Reset button per tree (?)
+- [ ] Tooltips: 
+  - [ ] Support multiple positions for tooltip (currently only `top-right` with fallbacks based on viewport)
+- [ ] [Code splitting?](https://serverless-stack.com/chapters/code-splitting-in-create-react-app.html)