Add nix flakes

flake.nix

@@ -0,0 +1,29 @@
+{
+  description = "🔥 horizontally-scalable, highly-available, multi-tenant continuous profiling aggregation system";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-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
+      {
+        devShell = with pkgs; mkShell {
+          buildInputs = [
+            go_1_18
+            golangci-lint
+            gopls
+            buf
+          ];
+
+          shellHook = ''
+            export GOROOT=${pkgs.go_1_18}/share/go
+            export "PS1=\n\[\033[1;32m\][\[\e]0;\u@\h: \w\a\]\u@\h:\w]🔥\[\033[0m\] "
+          '';
+
+        };
+      });
+}