feat(contact): intro animation

app/components/Contact/TopScreen/LeftBar.vue

@@ -0,0 +1,29 @@
+<script setup lang="ts">
+const store = useContactStore();
+
+const backgroundImage = useTemplateRef("backgroundImage");
+const thingsImage = useTemplateRef("thingsImage");
+
+useRender((ctx) => {
+  if (!backgroundImage.value || !thingsImage.value) return;
+
+  ctx.globalAlpha = store.isIntro ? store.intro.stage1Opacity : 1;
+  ctx.drawImage(backgroundImage.value, 0, 0);
+
+  ctx.globalAlpha = store.isIntro ? store.intro.stage3Opacity : 1;
+  ctx.drawImage(thingsImage.value, 0, 0);
+});
+</script>
+
+<template>
+  <img
+    ref="backgroundImage"
+    src="/assets/images/contact/top-screen/left-bar.png"
+    hidden
+  />
+  <img
+    ref="thingsImage"
+    src="/assets/images/contact/top-screen/left-bar-things.png"
+    hidden
+  />
+</template>