Add nix flake support

README.md

@@ -54,6 +54,20 @@ Run
 ```bash
 docker run -it --rm --init install-nothing
 ```
+
+
+## Nix
+
+Install
+```bash
+nix profile install github:buyukakyuz/install-nothing
+```
+
+Run
+```bash
+nix run install github:buyukakyuz/install-nothing
+```
+
 ## License
 
 Do whatever you want with it. Well, except for movies. If you use this in a movie, credit me or something.

flake.nix

@@ -0,0 +1,29 @@
+{
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    naersk.url = "github:nix-community/naersk";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  };
+
+  outputs = { self, flake-utils, naersk, nixpkgs }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = (import nixpkgs) {
+          inherit system;
+        };
+
+        naersk' = pkgs.callPackage naersk {};
+
+      in {
+        # For `nix build` & `nix run`:
+        defaultPackage = naersk'.buildPackage {
+          src = ./.;
+        };
+
+        # For `nix develop`:
+        devShell = pkgs.mkShell {
+          nativeBuildInputs = with pkgs; [ rustc cargo ];
+        };
+      }
+    );
+}