chore: nixify

.gitignore

@@ -1,4 +1,4 @@
 target/
 mods/
 ./*.zip
-*.lock
+Cargo.lock

flake.nix

@@ -0,0 +1,24 @@
+{
+  description = "Library for working with Northstar mods";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {inherit system;};
+    in {
+      formatter = pkgs.alejandra;
+
+      devShells.default = pkgs.mkShell {
+        nativeBuildInputs = [pkgs.rustc];
+        packages = with pkgs; [cargo git-cliff];
+      };
+    });
+}