chore: change sidebar font size & style (#191)

* chore: change sidebar font size & style

* chore: create font size style for sidebar

components/Sidebar/Conversation.tsx

@@ -64,7 +64,7 @@ export const ConversationComponent: FC<Props> = ({
 
   return (
     <button
-      className={`flex w-full cursor-pointer items-center gap-3 rounded-lg p-3 text-sm transition-colors duration-200 hover:bg-[#343541]/90 ${
+      className={`flex w-full cursor-pointer items-center gap-3 rounded-lg p-3 text-sidebar transition-colors duration-200 hover:bg-[#343541]/90 ${
         loading ? 'disabled:cursor-not-allowed' : ''
       } ${
         selectedConversation.id === conversation.id ? 'bg-[#343541]/90' : ''
@@ -74,7 +74,7 @@ export const ConversationComponent: FC<Props> = ({
       draggable="true"
       onDragStart={(e) => handleDragStart(e, conversation)}
     >
-      <IconMessage size={16} />
+      <IconMessage size={18} />
 
       {isRenaming && selectedConversation.id === conversation.id ? (
         <input