feat: add various system and theme icons, configuration files, and support assets

squashfs-root/usr/share/icons/Adwaita/symbolic/legacy/preferences-desktop-keyboard-symbolic.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16.022" height="16"><path d="M1 2c-.554 0-1 .446-1 1v11c0 .554.446 1 1 1h13.006c.554 0 1-.446 1-1V3c0-.554-.446-1-1-1zm1.365 2h1.656v2h-2V4.393c0-.218.154-.393.344-.393zm2.656 0h2v2h-2zm3 0h2v2h-2zm3 0h1.657c.19 0 .343.175.343.393V6h-2zm-8 3h2v2h-2zm3 0h2v2h-2zm3 0h2v2h-2zm-6.656 4h10.313c.19 0 .343.175.343.393v1.214c0 .218-.153.393-.343.393H2.365c-.19 0-.344-.175-.344-.393v-1.214c0-.218.154-.393.344-.393z" style="marker:none" color="#bebebe" overflow="visible" fill="#2e3436"/></svg>