upd

custom/unlisted-fonts/flake.nix

@@ -1,61 +1,66 @@
 {
-  description =
-    "A flake giving access to fonts that I use, outside of nixpkgs.";
+  description = "A flake giving access to fonts that I use, outside of nixpkgs.";
 
   inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
   inputs.flake-utils.url = "github:numtide/flake-utils";
 
-  outputs = { self, nixpkgs, flake-utils }:
-    flake-utils.lib.eachDefaultSystem (system:
-      let pkgs = nixpkgs.legacyPackages.${system};
-      in {
-        defaultPackage = pkgs.symlinkJoin {
-          name = "myfonts-0.1.4";
-          paths = builtins.attrValues
-            self.packages.${system}; # Add font derivation names here
-        };
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+    in {
+      defaultPackage = pkgs.symlinkJoin {
+        name = "myfonts-0.1.4";
+        paths =
+          builtins.attrValues
+          self.packages.${system}; # Add font derivation names here
+      };
 
-        packages.gillsans = pkgs.stdenvNoCC.mkDerivation {
-          name = "gillsans-font";
-          dontConfigue = true;
-          src = pkgs.fetchzip {
-            url =
-              "https://freefontsvault.s3.amazonaws.com/2020/02/Gill-Sans-Font-Family.zip";
-            sha256 = "sha256-YcZUKzRskiqmEqVcbK/XL6ypsNMbY49qJYFG3yZVF78=";
-            stripRoot = false;
-          };
-          installPhase = ''
-            mkdir -p $out/share/fonts
-            cp -R $src $out/share/fonts/opentype/
-          '';
-          meta = { description = "A Gill Sans Font Family derivation."; };
+      packages.gillsans = pkgs.stdenvNoCC.mkDerivation {
+        name = "gillsans-font";
+        dontConfigue = true;
+        src = pkgs.fetchzip {
+          url = "https://freefontsvault.s3.amazonaws.com/2020/02/Gill-Sans-Font-Family.zip";
+          sha256 = "sha256-YcZUKzRskiqmEqVcbK/XL6ypsNMbY49qJYFG3yZVF78=";
+          stripRoot = false;
         };
+        installPhase = ''
+          mkdir -p $out/share/fonts
+          cp -R $src $out/share/fonts/opentype/
+        '';
+        meta = {description = "A Gill Sans Font Family derivation.";};
+      };
 
-        packages.palatino = pkgs.stdenvNoCC.mkDerivation {
-          name = "palatino-font";
-          dontConfigue = true;
-          src = pkgs.fetchzip {
-            url =
-              "https://www.dfonts.org/wp-content/uploads/fonts/Palatino.zip";
-            sha256 = "sha256-FBA8Lj2yJzrBQnazylwUwsFGbCBp1MJ1mdgifaYches=";
-            stripRoot = false;
-          };
-          installPhase = ''
-            mkdir -p $out/share/fonts
-            cp -R $src/Palatino $out/share/fonts/truetype/
-          '';
-          meta = { description = "The Palatino Font Family derivation."; };
+      packages.palatino = pkgs.stdenvNoCC.mkDerivation {
+        name = "palatino-font";
+        dontConfigue = true;
+        src = pkgs.fetchzip {
+          url = "https://www.dfonts.org/wp-content/uploads/fonts/Palatino.zip";
+          sha256 = "sha256-FBA8Lj2yJzrBQnazylwUwsFGbCBp1MJ1mdgifaYches=";
+          stripRoot = false;
         };
-        packages.monolisa = pkgs.stdenvNoCC.mkDerivation {
-          name = "monolisa-font";
-          dontConfigue = true; 
-          src = ./.;
-          
-          installPhase = ''
-            mkdir -p $out/share/fonts 
-            cp -R $src/fonts/Monolisa $out/share/fonts/truetype
-          '';
-          meta = { description = "The Monolisa Font Family derivation."; };
+        installPhase = ''
+          mkdir -p $out/share/fonts
+          cp -R $src/Palatino $out/share/fonts/truetype/
+        '';
+        meta = {description = "The Palatino Font Family derivation.";};
+      };
+      packages.monolisa = pkgs.stdenvNoCC.mkDerivation {
+        name = "monolisa-font";
+        dontConfigue = true;
+        src = ./.;
+
+        installPhase = ''
+          mkdir -p $out/share/fonts
+          cp -R $src/fonts/Monolisa $out/share/fonts/truetype
+        '';
+        meta = {
+          description = "The Monolisa Font Family derivation.";
+          licenses.free = false;
         };
-      });
+      };
+    });
 }

info.nix

@@ -4,5 +4,8 @@
   timezone = "America/Chicago";
 
   # VPN
-  vpn_enable = true;
+  vpnEnable = true;
+
+  # Unfree Softwares 
+  allowUnfree = true;
 }

modules/system.nix

@@ -1,5 +1,5 @@
 {
-  vpn_enable,
+  vpnEnable,
   lib,
   ...
 }: {
@@ -19,7 +19,7 @@
       ../system/users.nix
       ../system/tools.nix
     ]
-    ++ lib.optionals (vpn_enable == true) [
+    ++ lib.optionals (vpnEnable == true) [
       ../system/vpn.nix
     ];
 }

nixos/biscuit/configuration.nix

@@ -2,6 +2,7 @@
   config,
   lib,
   pkgs,
+  allowUnfree,
   ...
 }: {
   imports = [
@@ -18,6 +19,8 @@
     wl-clipboard
   ];
 
+  nixpkgs.config.allowUnfree = allowUnfree;
+
   nix.settings.experimental-features = ["nix-command" "flakes"];
   system.stateVersion = "25.05";
 }