Show an initial empty keymap (#14609)

Release Notes:

- Added default content for the user keymap file.

crates/settings/src/settings.rs

@@ -54,6 +54,10 @@ pub fn initial_local_settings_content() -> Cow<'static, str> {
     asset_str::<SettingsAssets>("settings/initial_local_settings.json")
 }
 
+pub fn initial_keymap_content() -> Cow<'static, str> {
+    asset_str::<SettingsAssets>("keymaps/initial.json")
+}
+
 pub fn initial_tasks_content() -> Cow<'static, str> {
     asset_str::<SettingsAssets>("settings/initial_tasks.json")
 }

crates/zed/src/zed.rs

@@ -372,7 +372,7 @@ pub fn initialize_workspace(app_state: Arc<AppState>, cx: &mut AppContext) {
                 move |_: &mut Workspace,
                       _: &zed_actions::OpenKeymap,
                       cx: &mut ViewContext<Workspace>| {
-                    open_settings_file(&paths::keymap_file(), Rope::default, cx);
+                    open_settings_file(&paths::keymap_file(), || settings::initial_keymap_content().as_ref().into(), cx);
                 },
             )
             .register_action(