Add nix-flatpak module and configuration

Signed-off-by: George Kaklamanos <gkaklas@gkaklas.gr>

home-manager/flake.nix

@@ -9,6 +9,8 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    nix-flatpak.url = "github:gmodena/nix-flatpak";
+
     plasma-manager = {
       url = "github:pjones/plasma-manager";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -20,6 +22,7 @@
     nixpkgs,
     home-manager,
     plasma-manager,
+    nix-flatpak,
     ...
   }: let
     system = "x86_64-linux";
@@ -29,9 +32,11 @@
       inherit pkgs;
       modules = [
         ./home.nix
+        ./flatpak.nix
         ./plasma/plasma.nix
 
         plasma-manager.homeManagerModules.plasma-manager
+        nix-flatpak.homeManagerModules.nix-flatpak
       ];
     };
   };

home-manager/flatpak.nix

@@ -0,0 +1,31 @@
+{
+  config,
+  packages,
+  ...
+}: {
+  services.flatpak.enable = true;
+  services.flatpak.update.auto.enable = false;
+  services.flatpak.uninstallUnmanaged = true;
+  services.flatpak.packages = [
+    "com.obsproject.Studio"
+    "com.github.tchx84.Flatseal"
+    "com.github.wwmm.easyeffects"
+    "com.prusa3d.PrusaSlicer"
+    "com.vscodium.codium"
+    "io.freetubeapp.FreeTube"
+    "io.mpv.Mpv"
+    "net.cozic.joplin_desktop"
+    "org.ferdium.Ferdium"
+    "runtime/org.kde.KStyle.Adwaita/x86_64/6.6"
+    "org.kde.ark"
+    "org.kde.kamoso"
+    "org.kde.krita"
+    "org.kde.kwrite"
+    "org.kde.okular"
+    "org.keepassxc.KeePassXC"
+    "org.libreoffice.LibreOffice"
+    "org.mozilla.Thunderbird"
+    "com.github.Eloston.UngoogledChromium"
+    "io.podman_desktop.PodmanDesktop"
+  ];
+}