Initial Commit for nix (#856)

* Initial Commit for nix

* Update description

* nix fmt

* update version

---------

Co-authored-by: anonymous <anonymous@anonymous.anonymous44>

flake.nix

@@ -0,0 +1,36 @@
+{
+  description = "基于 ZeroBot 的 OneBot 插件";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs.gomod2nix.url = "github:nix-community/gomod2nix";
+  inputs.gomod2nix.inputs.nixpkgs.follows = "nixpkgs";
+  inputs.gomod2nix.inputs.flake-utils.follows = "flake-utils";
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    gomod2nix,
+  }: (
+    flake-utils.lib.eachDefaultSystem
+    (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+
+      # The current default sdk for macOS fails to compile go projects, so we use a newer one for now.
+      # This has no effect on other platforms.
+      callPackage = pkgs.darwin.apple_sdk_11_0.callPackage or pkgs.callPackage;
+    in {
+      # doCheck will fail at write files
+      packages.default =
+        (callPackage ./. {
+          inherit (gomod2nix.legacyPackages.${system}) buildGoApplication;
+        })
+        .overrideAttrs (_: {doCheck = false;});
+      devShells.default = callPackage ./shell.nix {
+        inherit (gomod2nix.legacyPackages.${system}) mkGoEnv gomod2nix;
+      };
+      formatter = pkgs.alejandra;
+    })
+  );
+}