!qol(restructure): heavy restructure

modules/nixvim/plugins/conform.nix

@@ -0,0 +1,25 @@
+{ ... }:
+{
+  programs.nixvim = {
+    plugins = {
+      conform-nvim = {
+        enable = true;
+        settings = {
+          formatters_by_ft = {
+            nix = [ "nixfmt" ];
+            rust = [ "rustfmt" ];
+            "_" = [
+              "squeeze_blanks"
+              "trim_whitespace"
+              "trim_newlines"
+            ];
+          };
+          format_on_save = {
+            timeout_ms = 500;
+            lsp_format = "fallback";
+          };
+        };
+      };
+    };
+  };
+}