bin: add erlang binary

Author: smoothprogrammer

bin/erlang/.envrc

@@ -0,0 +1 @@
+use flake

bin/erlang/flake.lock

@@ -0,0 +1,29 @@
+{
+  description = "Erlang Binary";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+  outputs =
+    { nixpkgs, ... }:
+    let
+      forAllSystems = nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed;
+    in
+    {
+      devShells = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+        in
+        {
+          default = pkgs.mkShell {
+            name = "erlang-binary";
+            buildInputs = with pkgs; [
+              erlang_27
+              rebar3
+              erlang_language_platform
+            ];
+          };
+        }
+      );
+    };
+}