refactor: complete overhaul

Complete overhaul of repo structure based on nvix.

See https://github.com/niksingh710/nvix

Signed-off-by: Lander Van den Bulcke <landervandenbulcke@gmail.com>

plugins/default.nix

@@ -0,0 +1,33 @@
+{ lib, ... }:
+let
+  mapAttrsMaybe =
+    f: attrs:
+    lib.pipe attrs [
+      (lib.mapAttrsToList f)
+      (builtins.filter (x: x != null))
+      builtins.listToAttrs
+    ];
+  forAllNixFiles =
+    dir: f:
+    if builtins.pathExists dir then
+      lib.pipe dir [
+        builtins.readDir
+        (mapAttrsMaybe (
+          fn: type:
+          if type == "regular" then
+            let
+              name = lib.removeSuffix ".nix" fn;
+            in
+            lib.nameValuePair name (f "${dir}/${fn}")
+          else if type == "directory" && builtins.pathExists "${dir}/${fn}/default.nix" then
+            lib.nameValuePair fn (f "${dir}/${fn}")
+          else
+            null
+        ))
+      ]
+    else
+      { };
+in
+{
+  flake.myvimPlugins = forAllNixFiles ./. (fn: fn);
+}