Replace TODO: with TODO(emilk): and update code guidelines

egui_demo_lib/src/color_test.rs

@@ -90,7 +90,7 @@ impl ColorTest {
 
         ui.separator();
 
-        // TODO: test color multiplication (image tint),
+        // TODO(emilk): test color multiplication (image tint),
         // to make sure vertex and texture color multiplication is done in linear space.
 
         self.show_gradients(ui, WHITE, (RED, GREEN));

egui_demo_lib/src/easy_mark/easy_mark_editor.rs

@@ -64,7 +64,7 @@ impl EasyMarkEditor {
                 ScrollArea::vertical()
                     .id_source("rendered")
                     .show(&mut columns[1], |ui| {
-                        // TODO: we can save some more CPU by caching the rendered output.
+                        // TODO(emilk): we can save some more CPU by caching the rendered output.
                         crate::easy_mark::easy_mark(ui, &self.code);
                     });
             });

egui_demo_lib/src/easy_mark/easy_mark_parser.rs

@@ -10,7 +10,7 @@
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
 pub enum Item<'a> {
     /// `\n`
-    // TODO: add Style here so empty heading still uses up the right amount of space.
+    // TODO(emilk): add Style here so empty heading still uses up the right amount of space.
     Newline,
     ///
     Text(Style, &'a str),