feat: rework to modular

lib/defaults.nix

@@ -0,0 +1,20 @@
+{ lib }:
+let
+  supportedSystems = [
+    "aarch64-darwin"
+    "x86_64-darwin"
+    "x86_64-linux"
+  ];
+in
+{
+  inherit supportedSystems;
+
+  forAllSystems = f: lib.genAttrs supportedSystems f;
+
+  companySessionVariables = {
+    BAO_ADDR = "https://secrets.api.nodeiwest.se";
+    SOME_REGISTRY = "git.dgren.dev";
+  };
+
+  stateVersion = "24.11";
+}

lib/mkProfile.nix

@@ -0,0 +1,7 @@
+{
+  modules ? [ ],
+  extraModules ? [ ],
+}:
+{
+  imports = modules ++ extraModules;
+}

lib/mkSystem.nix

@@ -0,0 +1,15 @@
+{ systems }:
+{
+  target,
+  ...
+}@args:
+let
+  adapter =
+    if target == "darwin" then
+      systems.darwin
+    else if target == "linux" then
+      systems.linux
+    else
+      throw "Unsupported target `${target}`. Expected `darwin` or `linux`.";
+in
+adapter (builtins.removeAttrs args [ "target" ])