Turn repo into flake

flake.nix

@@ -0,0 +1,21 @@
+{
+  description = "TUI client for euphoria.io, a threaded real-time chat platform";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    flake-utils.url = "github:numtide/flake-utils";
+
+    naersk.url = "github:nix-community/naersk";
+    naersk.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, nixpkgs, flake-utils, naersk }: flake-utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = import nixpkgs { inherit system; };
+      naersk' = pkgs.callPackage naersk { };
+    in
+    rec {
+      packages.default = naersk'.buildPackage { src = ./.; };
+    }
+  );
+}