Added new menu / controller icons

[Jaffacakelover]

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Added 'left or right' for analog (to match d-pad), PlayStation and Switch button labels, blank face buttons, joypad/keyboard indicators, half star for ratings.

[pjft]

Thanks. Unless I'm missing something, these won't be used yet in the code. Do you have a plan to add the code to refer to these depending on the controller type?

[Jaffacakelover]

No plans to do it myself, because unfortunately I can't code, but I'll be putting in a few UX suggestions into the issues tracker: One in case some sort of "controller type" can be gleaned from configs to display PSX/Xbox buttons (like mentioned in #442), and another to show which menu settings require a keyboard to use.