V3: Improved visual clarity

I've improved the graphics so the puzzle rules should be easier to learn & puzzle state should be easier to parse. (Thanks for the  Thinky Puzzle Games Discord & Finally Finish Something jam commenters for the feedback!)

For example, mirrors will now indicate on which sides they are hit:

And there are now also lasers displayed for half-finished connections:

You can toggle the visibility of these by pressing [X], which now toggles between displaying all, only golden, or no lasers:

Aside from that I added a hack link and improved text in-game and in the page description.

Thank you all for playing!