Add setting to toggle link arrows (#128)

src-tauri/src/types.rs

@@ -95,6 +95,8 @@ pub struct AppConfig {
     pub hide_title_in_body: bool,
     #[serde(default)]
     pub show_line_numbers: bool,
+    #[serde(default = "default_true")]
+    pub show_link_arrows: bool,
     #[serde(default)]
     pub backup_enabled: bool,
     #[serde(default = "default_backup_frequency")]
@@ -215,6 +217,7 @@ impl Default for AppConfig {
             title_mode: "input".to_string(),
             hide_title_in_body: false,
             show_line_numbers: false,
+            show_link_arrows: true,
             backup_enabled: false,
             backup_frequency: "24h".to_string(),
             backup_max_count: 10,