feat(system): comprehensive branding, styling, and system feature update

- Relocate themes to assets/themes/ and update all references.
- Implement custom SDDM theme and Plymouth theme enhancements.
- Add themed templates for Alacritty, Hyprland, Waybar, and other apps.
- Introduce Makima key remapper module and configuration.
- Add Voxtype and Walker configurations.
- Implement systemd power management and timeout optimizations.
- Add Nautilus-python extensions for LocalSend.
- Update branding assets and ASCII art integration.

assets/themes/catppuccin/btop.theme

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+# Main background, empty for terminal default, need to be empty if you want transparent background
+theme[main_bg]="#1E1E2E"
+
+# Main text color
+theme[main_fg]="#c6d0f5"
+
+# Title color for boxes
+theme[title]="#c6d0f5"
+
+# Highlight color for keyboard shortcuts
+theme[hi_fg]="#8caaee"
+
+# Background color of selected item in processes box
+theme[selected_bg]="#51576d"
+
+# Foreground color of selected item in processes box
+theme[selected_fg]="#8caaee"
+
+# Color of inactive/disabled text
+theme[inactive_fg]="#838ba7"
+
+# Color of text appearing on top of graphs, i.e uptime and current network graph scaling
+theme[graph_text]="#f2d5cf"
+
+# Background color of the percentage meters
+theme[meter_bg]="#51576d"
+
+# Misc colors for processes box including mini cpu graphs, details memory graph and details status text
+theme[proc_misc]="#f2d5cf"
+
+# CPU, Memory, Network, Proc box outline colors
+theme[cpu_box]="#ca9ee6" #Mauve
+theme[mem_box]="#a6d189" #Green
+theme[net_box]="#ea999c" #Maroon
+theme[proc_box]="#8caaee" #Blue
+
+# Box divider line and small boxes line color
+theme[div_line]="#737994"
+
+# Temperature graph color (Green -> Yellow -> Red)
+theme[temp_start]="#a6d189"
+theme[temp_mid]="#e5c890"
+theme[temp_end]="#e78284"
+
+# CPU graph colors (Teal -> Lavender)
+theme[cpu_start]="#81c8be"
+theme[cpu_mid]="#85c1dc"
+theme[cpu_end]="#babbf1"
+
+# Mem/Disk free meter (Mauve -> Lavender -> Blue)
+theme[free_start]="#ca9ee6"
+theme[free_mid]="#babbf1"
+theme[free_end]="#8caaee"
+
+# Mem/Disk cached meter (Sapphire -> Lavender)
+theme[cached_start]="#85c1dc"
+theme[cached_mid]="#8caaee"
+theme[cached_end]="#babbf1"
+
+# Mem/Disk available meter (Peach -> Red)
+theme[available_start]="#ef9f76"
+theme[available_mid]="#ea999c"
+theme[available_end]="#e78284"
+
+# Mem/Disk used meter (Green -> Sky)
+theme[used_start]="#a6d189"
+theme[used_mid]="#81c8be"
+theme[used_end]="#99d1db"
+
+# Download graph colors (Peach -> Red)
+theme[download_start]="#ef9f76"
+theme[download_mid]="#ea999c"
+theme[download_end]="#e78284"
+
+# Upload graph colors (Green -> Sky)
+theme[upload_start]="#a6d189"
+theme[upload_mid]="#81c8be"
+theme[upload_end]="#99d1db"
+
+# Process box color gradient for threads, mem and cpu usage (Sapphire -> Mauve)
+theme[process_start]="#85c1dc"
+theme[process_mid]="#babbf1"
+theme[process_end]="#ca9ee6"

assets/themes/catppuccin/colors.toml

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+accent = "#89b4fa"
+cursor = "#f5e0dc"
+foreground = "#cdd6f4"
+background = "#1e1e2e"
+selection_foreground = "#1e1e2e"
+selection_background = "#f5e0dc"
+
+color0 = "#45475a"
+color1 = "#f38ba8"
+color2 = "#a6e3a1"
+color3 = "#f9e2af"
+color4 = "#89b4fa"
+color5 = "#f5c2e7"
+color6 = "#94e2d5"
+color7 = "#bac2de"
+color8 = "#585b70"
+color9 = "#f38ba8"
+color10 = "#a6e3a1"
+color11 = "#f9e2af"
+color12 = "#89b4fa"
+color13 = "#f5c2e7"
+color14 = "#94e2d5"
+color15 = "#a6adc8"

assets/themes/catppuccin/icons.theme

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+Yaru-purple

assets/themes/catppuccin/neovim.lua

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+return {
+	{
+		"catppuccin/nvim",
+		name = "catppuccin",
+		priority = 1000,
+	},
+	{
+		"LazyVim/LazyVim",
+		opts = {
+			colorscheme = "catppuccin",
+		},
+	},
+}

assets/themes/catppuccin/vscode.json

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+{
+  "name": "Catppuccin Mocha",
+  "extension": "catppuccin.catppuccin-vsc"
+}

assets/themes/catppuccin/waybar.css

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+@define-color foreground #cdd6f4;
+@define-color background #181824;