Add WASD, Space and Enter

[Woahsea]

Adds WASD as an alternative to the arrow keys and space/enter as alternatives to Z.

[github-actions[bot]]

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[iznaut]

i think i'm for this change on balance BUT it raises some questions that probably need to be answered first

• do some microgames get easier if you have multiple keys to press? (e.g. the new example game is a button masher)
• do some get harder bc you could potentially hit more "bad" keys (e.g. "don't press" type games)
• do we need some guidelines around communicating instructions (e.g. my dumb "Press Z Key!" game uses a sprite so it's not intuitive that you could use Space/Enter instead)

[lazerwalker]

(e.g. my dumb "Press Z Key!" game uses a sprite so it's not intuitive that you could use Space/Enter instead)

If we're eventually looking to add e.g. touch and/or gamepad support, we presumably want to standardize on "the supported input is a 4-way d-pad plus a single button" (or whatever we actually want that to be), and provide standardized sprites/text for those buttons.

If that's where we'll eventually go, my gut instinct is that this change is a fine placeholder for now, until we eventually just have an in-game key remapper.

[github-actions[bot]]

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