bring back plugins but keep them really hidden

components/Chat/ChatInput.tsx

@@ -280,7 +280,7 @@ export const ChatInput = ({
           )}
 
         <div className="relative mx-2 flex w-full flex-grow flex-col rounded-md border border-black/10 bg-white shadow-[0_0_10px_rgba(0,0,0,0.10)] dark:border-gray-900/50 dark:bg-[#40414F] dark:text-white dark:shadow-[0_0_15px_rgba(0,0,0,0.10)] sm:mx-4">
-          <button
+        <button
             className="absolute left-2 top-2 rounded-sm p-1 text-neutral-800 opacity-60 hover:bg-neutral-200 hover:text-neutral-900 dark:bg-opacity-50 dark:text-neutral-100 dark:hover:text-neutral-200"
             onClick={() => setShowPluginSelect(!showPluginSelect)}
             onKeyDown={(e) => {}}

components/Chat/PluginSelect.tsx

@@ -60,5 +60,44 @@ export const PluginSelect: FC<Props> = ({
     }
   }, []);
 
-  return null;
+  return (
+    <div className="flex flex-col">
+      <div className="mb-1 w-full rounded border border-neutral-200 bg-transparent pr-2 text-neutral-900 dark:border-neutral-600 dark:text-white">
+        <select
+          ref={selectRef}
+          className="w-full cursor-pointer bg-transparent p-2"
+          placeholder={t('Select a plugin') || ''}
+          value={plugin?.id || ''}
+          onChange={(e) => {
+            onPluginChange(
+              PluginList.find(
+                (plugin) => plugin.id === e.target.value,
+              ) as Plugin,
+            );
+          }}
+          onKeyDown={(e) => {
+            handleKeyDown(e);
+          }}
+        >
+          <option
+            key="chatgpt"
+            value="chatgpt"
+            className="dark:bg-[#343541] dark:text-white"
+          >
+            LLM
+          </option>
+
+          {PluginList.map((plugin) => (
+            <option
+              key={plugin.id}
+              value={plugin.id}
+              className="dark:bg-[#343541] dark:text-white"
+            >
+              {plugin.name}
+            </option>
+          ))}
+        </select>
+      </div>
+    </div>
+  );
 };