fix: correct naming of AI Prompt Engine to plural in settings

Author: medyo

src/components/Layout/SettingsLayout/SettingsLayout.tsx

@@ -18,7 +18,7 @@ export const SettingsLayout = () => {
       path: '/settings/bookmarks',
     },
     {
-      name: 'AI Prompt Engine',
+      name: 'AI Prompt Engines',
       path: '/settings/ai-engine',
     },
     {

src/features/settings/components/SearchEngineSettings.tsx

@@ -15,7 +15,7 @@ export const SearchEngineSettings = () => {
       title="AI Prompt Engine"
       description={`
      Select from top AI models, input your prompt, and get quick responses. 
-      You can also add a new ai model engine by providing the right URL.
+      You can also add a new ai model engine by providing its URL.
     `}>
       <>
         <ChipsSet