Add Markdown source highlighting (#173)

src-tauri/src/types.rs

@@ -197,6 +197,8 @@ pub struct AppConfig {
     #[serde(default)]
     pub default_view_mode: bool,
     #[serde(default)]
+    pub new_notes_in_source_mode: bool,
+    #[serde(default)]
     pub show_tray_icon: bool,
     #[serde(default)]
     pub close_to_tray: bool,
@@ -315,6 +317,7 @@ impl Default for AppConfig {
             ai_model: "claude-sonnet-4-6".to_string(),
             ai_writing_style: None,
             default_view_mode: false,
+            new_notes_in_source_mode: false,
             show_tray_icon: false,
             close_to_tray: false,
             enable_wiki_links: true,