add ChatGPT store option to settings and UI. see #406

_locales/en/messages.json

@@ -1539,5 +1539,13 @@
   "apiwebchat_selection_info": {
     "message": "If you select some text, only that portion will be considered.",
     "description": ""
+  },
+  "ChatGPT_StoreFlag": {
+    "message": "Use storage",
+    "description": ""
+  },
+  "ChatGPT_StoreFlag_info": {
+    "message": "If checked, your chats will be stored by OpenAI.",
+    "description": ""
   }
 }

options/mzta-options-default.js

@@ -30,6 +30,7 @@ export const prefs_default = {
     chatgpt_web_project: '',
     chatgpt_web_custom_gpt: '',
     chatgpt_api_key: '',
+    chatgpt_api_store: false,
     chatgpt_model: '',
     chatgpt_developer_messages: '',
     ollama_host: '',

options/mzta-options.html

@@ -217,6 +217,19 @@
           </label>
         </td>
       </tr>
+      <tr class="conntype_chatgpt_api">
+        <td>
+          <label>
+            <span class="opt_title">__MSG_ChatGPT_StoreFlag__</span>
+          </label>
+        </td>
+        <td>
+          <label>
+            <input type="checkbox" id="chatgpt_api_store" name="chatgpt_api_store" class="option-input" />
+            &nbsp;<span>__MSG_ChatGPT_StoreFlag_info__</span>
+          </label>
+        </td>
+      </tr>
       <tr class="conntype_chatgpt_api">
         <td>
           <label>