Add boxes and switcheroo modules; enable kdenlive

Register GNOME Boxes and Switcheroo in core packages and enable flags
Turn on kdenlive for Garand‑Desktop and adjust its wrapper for QT
scaling
Extend Docker module with host‑specific profile support and conditional
Nvidia integration
Reformat package definitions (plex, distrobox, winboat) and tidy
nvidia‑driver list

hosts/Garand-Desktop/system-modules.nix

@@ -53,6 +53,7 @@ _: {
     distrobox.enable = false; # Distrobox: containerized development environments
     lazydocker.enable = false; # Lazydocker: simple TUI for Docker
     bottles.enable = false; # Bottles: Easy-to-use wineprefix manager
+    boxes.enable = false; # Gnome-Boxes: virtual machine manager
 
     /*
     Gaming
@@ -94,9 +95,10 @@ _: {
     Media & Graphics
     */
     eyeOfGnome.enable = true; # Eye of GNOME: image viewer
+    switcheroo.enable = false; # Switcheroo: file conversion tool
     freetube.enable = false; # FreeTube: privacy‑friendly YouTube client
     gimp.enable = false; # GIMP: GNU Image Manipulation Program
-    kdenlive.enable = false; # Kdenlive: video editing software
+    kdenlive.enable = true; # Kdenlive: video editing software
     pixieditor.enable = true; # Pixieditor: Universal editor for all your 2D needs
     plex.enable = true; # Plex: media player and server client
     jellyfin.enable = true; # Jellyfin: foss media player

hosts/Garand-Laptop/system-modules.nix

@@ -53,6 +53,7 @@ _: {
     distrobox.enable = false; # Distrobox: containerized development environments
     lazydocker.enable = false; # Lazydocker: simple TUI for Docker
     bottles.enable = false; # Bottles: Easy-to-use wineprefix manager
+    boxes.enable = false; # Gnome-Boxes: virtual machine manager
 
     /*
     Gaming
@@ -94,6 +95,7 @@ _: {
     Media & Graphics
     */
     eyeOfGnome.enable = true; # Eye of GNOME: image viewer
+    switcheroo.enable = false; # Switcheroo: file conversion tool
     freetube.enable = false; # FreeTube: privacy‑friendly YouTube client
     gimp.enable = false; # GIMP: GNU Image Manipulation Program
     kdenlive.enable = false; # Kdenlive: video editing software

hosts/default/system-modules.nix

@@ -53,6 +53,7 @@ _: {
     distrobox.enable = false; # Distrobox: containerized development environments
     lazydocker.enable = false; # Lazydocker: simple TUI for Docker
     bottles.enable = false; # Bottles: Easy-to-use wineprefix manager
+    boxes.enable = false; # Gnome-Boxes: virtual machine manager
 
     /*
     Gaming
@@ -94,6 +95,7 @@ _: {
     Media & Graphics
     */
     eyeOfGnome.enable = true; # Eye of GNOME: image viewer
+    switcheroo.enable = false; # Switcheroo: file conversion tool
     freetube.enable = false; # FreeTube: privacy‑friendly YouTube client
     gimp.enable = false; # GIMP: GNU Image Manipulation Program
     kdenlive.enable = false; # Kdenlive: video editing software