feat: add image module

components/content/image.vue

@@ -0,0 +1,10 @@
+<script setup lang="ts">
+const { src } = defineProps<{ src: string }>();
+</script>
+
+<template>
+  <figure>
+    <img :src="`/images/posts/${src}`" />
+    <figcaption class="text-center"><Markdown /></figcaption>
+  </figure>
+</template>