[dist] shrink png asset size with optipng, scripts to generate assets (#2573)

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2573
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

tools/optimize-assets.sh

@@ -0,0 +1,6 @@
+#!/bin/sh -e
+# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+# Optimizes assets of eden (requires OptiPng)
+which optipng || exit
+find . -type f -name *.png -exec optipng -o7 {} \;

tools/update-icons.sh

@@ -0,0 +1,20 @@
+#!/bin/sh -e
+# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+# Updates main icons for eden
+which png2icns || [ which yay && yay libicns ] || exit
+which magick || exit
+
+export EDEN_SVG_ICO="dist/dev.eden_emu.eden.svg"
+svgo --multipass $EDEN_SVG_ICO
+
+magick -density 256x256 -background transparent $EDEN_SVG_ICO \
+    -define icon:auto-resize -colors 256 dist/eden.ico || exit
+convert -density 256x256 -resize 256x256 -background transparent $EDEN_SVG_ICO \
+    dist/yuzu.bmp || exit
+
+export TMP_PNG="dist/eden-tmp.png"
+magick -size 1024x1024 -background transparent $EDEN_SVG_ICO $TMP_PNG || exit
+png2icns dist/eden.icns $TMP_PNG || exit
+cp dist/eden.icns dist/yuzu.icns
+rm $TMP_PNG