Fix duplicate system tray icon and bump version to 0.2.0

Remove declarative trayIcon from tauri.conf.json that conflicted with
the programmatic tray built in tray.rs. Add icon_as_template(true) to
preserve macOS menu bar theme adaptation. Bump version to 0.2.0.

Author: eddiman

package.json

@@ -1,6 +1,6 @@
 {
   "name": "termina",
-  "version": "1.0.0",
+  "version": "0.2.0",
   "description": "A lightweight macOS app for managing long-running shell commands",
   "type": "module",
   "scripts": {

src-tauri/src/tray.rs

@@ -10,6 +10,7 @@ pub fn create_tray(app: &tauri::AppHandle) -> tauri::Result<()> {
 
     TrayIconBuilder::with_id("main")
         .icon(app.default_window_icon().unwrap().clone())
+        .icon_as_template(true)
         .menu(&menu)
         .show_menu_on_left_click(true)
         .on_menu_event(|app, event| {

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "../node_modules/@tauri-apps/cli/config.schema.json",
   "productName": "Termina",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "identifier": "com.termina.manager",
   "build": {
     "frontendDist": "../dist",
@@ -23,10 +23,6 @@
         "hiddenTitle": true
       }
     ],
-    "trayIcon": {
-      "iconPath": "icons/icon.png",
-      "iconAsTemplate": true
-    },
     "security": {
       "csp": "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' asset: https://asset.localhost"
     }