add(nix): Added as a nix flake

flake.nix

@@ -0,0 +1,26 @@
+{
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+  outputs = { self, nixpkgs }:
+    let
+      systems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+      forAll = nixpkgs.lib.genAttrs systems;
+    in {
+      packages = forAll (system:
+        let pkgs = nixpkgs.legacyPackages.${system};
+        in {
+          default = pkgs.rustPlatform.buildRustPackage {
+            pname = "drift";
+            version = "0.1.0";
+            src = ./.;
+            cargoLock.lockFile = ./Cargo.lock;
+            nativeBuildInputs = [ pkgs.makeWrapper ];
+            postInstall = ''
+              wrapProgram $out/bin/drift \
+                --prefix PATH : ${pkgs.lib.makeBinPath [ pkgs.mpv pkgs.yt-dlp ]}
+            '';
+            meta.mainProgram = "drift";
+          };
+        });
+    };
+}