feat(contact): intro animation

app/components/Contact/BottomScreen/Buttons.vue

@@ -0,0 +1,20 @@
+<script setup lang="ts">
+const store = useContactStore();
+
+const buttonsImage = useTemplateRef("buttonsImage");
+
+useRender((ctx) => {
+  if (!buttonsImage.value) return;
+
+  ctx.globalAlpha = store.isIntro ? store.intro.stage3Opacity : 1;
+  ctx.drawImage(buttonsImage.value, 31, 32);
+});
+</script>
+
+<template>
+  <img
+    ref="buttonsImage"
+    src="/assets/images/contact/bottom-screen/buttons.png"
+    hidden
+  />
+</template>