add nix and gitignore

.gitignore

@@ -0,0 +1,36 @@
+.DS_Store
+.idea
+*.log
+tmp/
+
+# Created by https://www.toptal.com/developers/gitignore/api/go,direnv
+# Edit at https://www.toptal.com/developers/gitignore?templates=go,direnv
+
+### direnv ###
+.direnv
+.envrc
+
+### Go ###
+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+
+# End of https://www.toptal.com/developers/gitignore/api/go,direnv

shell.nix

@@ -0,0 +1,19 @@
+let pkgs = import <nixos-23.11> { };
+
+in pkgs.mkShell {
+  nativeBuildInputs = [
+    # Go
+    pkgs.go
+    pkgs.golangci-lint
+    pkgs.gotests
+    pkgs.gomodifytags
+    pkgs.gore
+    pkgs.gotools
+    pkgs.gocode
+    pkgs.protoc-gen-go
+    pkgs.goreleaser
+
+    # LSP
+    pkgs.gopls
+  ];
+}