Phaser hello world

phaser/hello.html: a minimal hello world adapted from web.archive.org/web/20230323212804/https://phaser.io/tutorials/getting-started-phaser3/part5. Not an actual game strictly speaking though, just shows the phaser logo bouncing around the screen.

Fully contained in a single HTML file, except that it loads the phaser library and image assets from the web.

phaser/hello-game.html: an actually hello world game where you have to collect stars and avoid bombs.

Based on labs.phaser.io/index.html?dir=games/firstgame/&q=: