Cleanup home-manager modules

home_manager/modules/configurations.nix

@@ -0,0 +1,19 @@
+{
+  home.file.".editorconfig".text = ''
+    # editorconfig.org
+
+    root = true
+
+    [*]
+    charset = utf-8
+    end_of_line = lf
+    indent_size = 2
+    # max_line_length = 120
+    indent_style = space
+    trim_trailing_whitespace = true
+    insert_final_newline = true
+
+    [*.py]
+    indent_size = 4
+  '';
+}