feat: improve dark mode

Author: liborjelinek

app/components/Header.vue

@@ -28,7 +28,7 @@
         data-rybbit-event="try_documatt_clicked"
       >
         <button
-          class="btn hover:bg-primary text-slate-500 hover:text-slate-200"
+          class="btn hover:bg-primary text-slate-500 hover:text-slate-300 dark:bg-slate-700 dark:text-slate-300"
         >
           Try Documatt
           <Icon name="prime:arrow-right" />

app/components/Toolbar.vue

@@ -53,7 +53,10 @@
     <div class="flex items-center text-sm">
       <div class="tooltip tooltip-left" data-tip="Snippets are open-source!">
         <a href="https://github.com/documatt/snippets-web">
-          <Icon name="prime:github" class="text-2xl text-slate-600" />
+          <Icon
+            name="prime:github"
+            class="text-2xl text-slate-600 dark:text-slate-300"
+          />
         </a>
       </div>
     </div>