feat(nix): Add nix build

Signed-off-by: dark0dave <[email protected]>

Author: dark0dave

.gitignore

@@ -3,3 +3,4 @@
 .swp
 target/
 dist/
+result

README.md

@@ -244,3 +244,19 @@ RUST_LOG=TRACE mod_installer [OPTIONS]
 ```
 
 For more information on logging visit the rust crate [`log`](https://crates.io/crates/log).
+
+### Building
+
+We offer two ways of building the mod_installer. Nix or cargo directly.
+
+#### Cargo
+
+```sh
+cargo build --release
+```
+
+#### Nix
+
+```sh
+nix build -f default.nix
+```

default.nix

@@ -0,0 +1,7 @@
+{ pkgs ? import <nixpkgs> { } }:
+pkgs.rustPlatform.buildRustPackage rec {
+  pname = "mod_installer";
+  version = "9.2.1";
+  cargoLock.lockFile = ./Cargo.lock;
+  src = pkgs.lib.cleanSource ./.;
+}