to keep things manageable i merged a lot of one off values into just a
handful of common sizes, so some parts of the ui will look different than
upstream even with the "Misskey" rounding mode
* chore: Add the SPDX information to each file
Add copyright and licensing information as defined in version 3.0 of
the REUSE Specification.
* tweak format
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Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>
