Fix summary/bio text color in dark mode

lib/music_library_web/live/artist_live/show.html.heex

@@ -149,7 +149,7 @@
         <dt class="mt-4 text-sm font-medium leading-6 text-zinc-900 dark:text-zinc-400">
           {gettext("Biography")}
         </dt>
-        <dd>
+        <dd class="text-zinc-700 dark:text-zinc-300">
           {remove_read_more_link(lastfm_artist_info.summary)}
           <.link
             class="block mt-2 text-sm font-medium text-zinc-900 dark:text-zinc-400"
@@ -164,7 +164,7 @@
             {gettext("Read more")}
           </.link>
         </dd>
-        <.sheet id="bio" class="max-w-2xl" placement="left">
+        <.sheet id="bio" class="max-w-2xl text-zinc-700 dark:text-zinc-300" placement="left">
           {render_bio(lastfm_artist_info.bio)}
         </.sheet>
       </.async_result>