✨ (modules/flake) implement recursively loaded libraries

modules/flake/arguments.nix

@@ -1,13 +1,44 @@
 {
+  lib,
   inputs,
   config,
   ...
 }:
+let
+  # Recursive function to load all `default.nix` files and merge them into a single attr. set
+  loadLibs = directory:
+    builtins.foldl' (acc: name:
+      let
+        path = "${directory}/${name}";
+        isDir = (builtins.getAttr name (builtins.readDir directory)) == "directory";
+      in
+        if isDir then
+          lib.mergeAttrs acc (loadLibs path)
+        else if name == "default.nix" then
+          lib.mergeAttrs acc (import path { inherit lib; })
+        else
+          acc
+    ) {} (builtins.attrNames (builtins.readDir directory));
+in
 {
   # Overwrite and add new arguments to all flake modules.
   _module.args = {
     namespace = config.flake.namespace;
 
+    ## Recursive loading of libraries, similar to snowfall lib.
+    ## Logical flow: read files => merge all file outputs to single attr. set
+    ## The directory in question is flake-root => lib
+    ## The directory structure is:
+    ## lib/
+    ##   => libname
+    ##     => default.nix
+    ##   => libname2
+    ##     => default.nix
+    ##
+    ## The structure of multiple libs is simply for organization and the attrs. of all default.nix files should still be merged
+    ## into a single set.
+    puzzlelib = loadLibs ../../lib;
+
     # Initialize nixpkgs instance with custom overlays.
     pkgs = import inputs.nixpkgs {
       overlays = [