General clean up. Make things configurable. More AI stuff.

src/lib/e_app_codemirror_v5.svelte

@@ -107,6 +107,8 @@ if (placeholder) { extensions.push(placeholderExt(placeholder)); }
 if (show_line_numbers) {
     // extensions.push(lineNumbers({ class: "line-numbers" }));
 } else {
+    // extensions.push(gutter({ class: "hidden-gutter" }));
+
     // extensions.push(lineNumbers(false));
     // extensions.push(gutter(false));
     // extensions.pop();
@@ -136,7 +138,7 @@ $: editor_extensions = [
     basicSetup,
     // gutter({class: "hidden-gutter"}),
     // A line number gutter
-    // lineNumbers(false),
+    lineNumbers(false),
     // A gutter with code folding markers
     // foldGutter(false),
     // lineWrapping(false),