Added theming to root programs

airootfs/root/.config/Kvantum/kvantum.kvconfig

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+[General]
+theme=MateriaDark

airootfs/root/.config/fontconfig/conf.d/01-font.conf

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
+<fontconfig>
+  <alias>
+    <family>sans-serif</family>
+    <prefer>
+      <family>DejaVu Sans</family>
+    </prefer>
+  </alias>
+  <alias>
+    <family>DejaVu Sans</family>
+    <default>
+      <family>sans-serif</family>
+    </default>
+  </alias>
+
+  <alias>
+    <family>sans</family>
+    <prefer>
+      <family>DejaVu Sans</family>
+    </prefer>
+  </alias>
+  <alias>
+    <family>DejaVu Sans</family>
+    <default>
+      <family>sans</family>
+    </default>
+  </alias>
+
+  <alias>
+    <family>serif</family>
+    <prefer>
+      <family>DejaVu Serif</family>
+    </prefer>
+  </alias>
+  <alias>
+    <family>DejaVu Serif</family>
+    <default>
+      <family>serif</family>
+    </default>
+  </alias>
+
+  <alias>
+    <family>monospace</family>
+    <prefer>
+      <family>Liberation Mono</family>
+    </prefer>
+  </alias>
+  <alias>
+    <family>Liberation Mono</family>
+    <default>
+      <family>monospace</family>
+    </default>
+  </alias>
+</fontconfig>

airootfs/root/.config/gtk-3.0/settings.ini

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+[Settings]
+gtk-theme-name=Materia-dark
+gtk-icon-theme-name=Papirus-Dark
+gtk-font-name=Sans 11
+gtk-cursor-theme-name=Adwaita
+gtk-cursor-theme-size=0
+gtk-toolbar-style=GTK_TOOLBAR_BOTH_HORIZ
+gtk-toolbar-icon-size=GTK_ICON_SIZE_SMALL_TOOLBAR
+gtk-button-images=0
+gtk-menu-images=0
+gtk-enable-event-sounds=0
+gtk-enable-input-feedback-sounds=0
+gtk-xft-antialias=1
+gtk-xft-hinting=1
+gtk-xft-hintstyle=hintslight
+gtk-xft-rgba=rgb
+gtk-application-prefer-dark-theme=1
+# gtk-decoration-layout=menu:close

airootfs/root/.config/gtk-4.0/assets

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+/usr/share/themes/Materia-dark/gtk-4.0/assets

airootfs/root/.config/gtk-4.0/gtk-dark.css

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+/usr/share/themes/Materia-dark/gtk-4.0/gtk-dark.css

airootfs/root/.config/gtk-4.0/gtk.css

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+/usr/share/themes/Materia-dark/gtk-4.0/gtk.css

airootfs/root/.config/qt5ct/qt5ct.conf

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+[Appearance]
+color_scheme_path=/usr/share/qt5ct/colors/darker.conf
+style=kvantum-dark
+icon_theme=Papirus-Dark

airootfs/root/.config/qt6ct/qt6ct.conf

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+[Appearance]
+color_scheme_path=/usr/share/qt6ct/colors/darker.conf
+style=kvantum-dark
+icon_theme=Papirus-Dark