feat(footer): add PageFooter component with social links

app/components/PageFooter.vue

@@ -0,0 +1,62 @@
+<template>
+  <footer :class="$style.footer">
+    <a
+      href="https://github.com/Perdolique/perd"
+      target="_blank"
+      rel="noopener"
+      :class="$style.link"
+    >
+      <Icon name="tabler:brand-github" />
+    </a>
+
+    <a
+      href="https://t.me/perdTV"
+      target="_blank"
+      rel="noopener"
+      :class="$style.link"
+    >
+      <Icon name="tabler:brand-telegram" />
+    </a>
+
+    <a
+      href="https://www.twitch.tv/perdolique"
+      target="_blank"
+      rel="noopener"
+      :class="$style.link"
+    >
+      <Icon name="tabler:brand-twitch" />
+    </a>
+  </footer>
+</template>
+
+<style lang="scss" module>
+  .footer {
+    display: flex;
+    gap: var(--spacing-16);
+    justify-content: center;
+    padding: var(--spacing-8);
+    text-align: center;
+    border-top: 1px solid var(--background-200);
+  }
+
+  .link {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    outline: none;
+    height: 40px;
+    width: 40px;
+    color: var(--text-color-secondary);
+    transition:
+      color var(--transition-time-quick),
+      background-color var(--transition-time-quick);
+    font-size: var(--font-size-20);
+    border-radius: var(--border-radius-8);
+
+    &:focus-visible,
+    &:hover {
+      color: var(--text);
+      background-color: var(--background-100);
+    }
+  }
+</style>

app/layouts/page.vue

@@ -8,13 +8,16 @@
       <div :class="$style.content">
         <slot />
       </div>
+
+      <PageFooter />
     </div>
   </div>
 </template>
 
 <script setup lang="ts">
   import PerdSidebar from '~/components/PerdSidebar/PerdSidebar.vue';
   import PageHeader from '~/components/PageHeader.vue';
+  import PageFooter from '~/components/PageFooter.vue';
 </script>
 
 <style lang="scss" module>
@@ -26,11 +29,16 @@
   .main {
     flex: 1;
     overflow: auto;
+    display: flex;
+    flex-direction: column;
   }
 
   .content {
+    flex: 1;
     padding: var(--spacing-16);
     max-width: var(--screen-laptop);
     margin: 0 auto;
+    width: 100%;
+    box-sizing: border-box;
   }
 </style>