https://www.dafont.com/free-pixel.font

http://www.fontsaddict.com/font/free-pixel-regular.html

https://www.dafont.com/pixelmix.font
https://www.dafont.com/bitmap.php
https://www.dafont.com/04b-03.font

- [x] clickable layers
- [x] test that pixi v5 supported on mobile
- [x] scrolling with keyboard
- [ ] panning with mouse drag & other mobile navigation examples
- [ ] buttons in fixed camera view example
- [ ] text entities example (with font but plaintext, no html)
- [ ] react router for tab navigation to different screens
- [ ] debug utilities, copied from ld-game-starter
- [ ] debug utility - entity hierarchy visualizer
- [ ] coroutine manager from ld-game-starter? is it necessary?
- [ ] serialization & deserialization