Add initial project

flake.nix

@@ -0,0 +1,54 @@
+{
+  description = "A very basic flake";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    devenv.url = "github:cachix/devenv";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    devenv,
+  } @ inputs:
+    flake-utils.lib.eachDefaultSystem (
+      system: let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+
+		beamPackages = pkgs.beam.packagesWith pkgs.beam.interpreters.erlang_26;
+
+
+		erlang = beamPackages.erlang;
+
+		elixir = beamPackages.elixir_1_15;
+
+        elixir-ls = beamPackages.elixir-ls.override { elixir = elixir; };
+
+		hex = beamPackages.hex;
+
+        rebar3 = beamPackages.rebar3;
+        rebar = beamPackages.rebar;
+      in {
+        devShells.default = devenv.lib.mkShell {
+          inherit inputs pkgs;
+          modules = [
+            {
+              packages = [
+				elixir
+				elixir-ls
+				erlang
+				hex
+				rebar
+				rebar3
+                pkgs.inotify-tools
+                pkgs.sqlite
+              ];
+            }
+          ];
+        };
+      }
+    );
+}