feat: Added deploy-rs to devShell environment

Using nftables

docs/gasdev.md

@@ -29,5 +29,5 @@ In order to deploy new configuration changes after the initial NixOS installatio
 Then you can deploy the new configuration:
 
 ```sh
-nix run github:serokell/deploy-rs .#<configuration name>
+deploy .#<configuration name>
 ```

flake.nix

@@ -98,12 +98,13 @@
     checks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
 
     devShells.${system}.default = pkgs.mkShell {
-      nativeBuildInputs = with pkgs; [
+      packages = with pkgs; [
+        alejandra
         git
         helix
-        pkgs.home-manager
-        alejandra
         nil
+        pkgs.home-manager
+        pkgs.deploy-rs
       ];
 
       shellHook = ''

hosts/OVHCloud/hardware-configuration.nix

@@ -8,4 +8,11 @@
     efiSupport = true;
     efiInstallAsRemovable = true;
   };
+
+  # Firewall
+  networking.nftables.enable = true;
+  networking.firewall = {
+    enable = true;
+    allowedTCPPorts = [22 80 443];
+  };
 }