add mangowm and add packages needed for screensharing and screenshots

flake.nix

@@ -7,10 +7,13 @@
       url = "github:4evy/nixcord";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-
     nix-maid = {
       url = "git+https://codeberg.org/viperML/nix-maid";
     };
+    mangowm = {
+      url = "github:mangowm/mango";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs =
@@ -19,14 +22,16 @@
       nixpkgs,
       nixcord,
       nix-maid,
+      mangowm,
     }:
     {
       nixosConfigurations.nerv = nixpkgs.lib.nixosSystem {
         specialArgs = { inherit inputs; };
         system = "x86_64-linux";
         modules = [
-          inputs.nixcord.nixosModules.nixcord
+          nixcord.nixosModules.nixcord
           nix-maid.nixosModules.default
+          mangowm.nixosModules.mango
           ./configuration.nix
           ./maid.nix
         ];