Update the TODO list

TODO.md

@@ -13,4 +13,18 @@
  - [x] Subtitles ([`textTracks`](https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/textTracks))
  - [x] Playback Rate ([`playbackRate`](https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/playbackRate))
  - [ ] Cast Support
- - [ ] 360 Video Support
+ - [ ] 360 Video Support
+ - [ ] Compress JavaScript?
+ - [ ] Allow developer to use their own CSS
+ - [ ] Overhaul Title
+ - [ ] Add Themes
+ - [ ] Icon Packs
+   - [x] Iconior 
+   - [ ] Phosphor
+   - [ ] Bootstrap
+ - Components for use cases
+   - [ ] More Videos (Left/Right Sidebar or Bottom Row, like YouTube during pause-state)
+   - [ ] Actions
+      - "Go Back" and allow alternative* in upper left
+        > * Allow developer to override name and function entirely
+      - Extra actions in bottom right for more functions