fix: dark mode switch (#86)

Author: narcisbugeag

.vitepress/theme/components/DarkModeSwitch.vue

@@ -1,5 +1,5 @@
 <template>
-  <button aria-label="Toggle Theme" class="nav-btn" @click="toggle">
+  <button aria-label="Toggle Theme" class="nav-btn" @click="toggle()">
     <ri-moon-fill v-show="isDark" />
     <ri-sun-fill v-show="!isDark" />
   </button>