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/lang/nix.nix

@@ -0,0 +1,26 @@
+{ lib, pkgs, ... }:
+{
+  plugins = {
+    lsp.servers = {
+      nil_ls = {
+        enable = true;
+      };
+
+      statix = {
+        enable = true;
+      };
+    };
+
+    conform-nvim.settings = {
+      formatters_by_ft = {
+        nix = [ "nixfmt-rfc-style" ];
+      };
+
+      formatters = {
+        nixfmt-rfc-style = {
+          command = "${lib.getExe pkgs.nixfmt-rfc-style}";
+        };
+      };
+    };
+  };
+}