feat: midterm shit done

functions/api/avatars/[filename].js

@@ -0,0 +1,30 @@
+import { createErrorResponse } from '../../utils';
+
+export async function onRequestGet(context) {
+  try {
+    const { env, params } = context;
+    const { filename } = params;
+
+    if (!filename) {
+      return createErrorResponse("Filename is required", 400);
+    }
+
+    const key = "avatars/" + filename;
+    const object = await env.MY_BUCKET.get(key);
+
+    if (object === null) {
+      return new Response("Object Not Found", { status: 404 });
+    }
+
+    const headers = new Headers();
+    object.writeHttpMetadata(headers);
+    headers.set("etag", object.httpEtag);
+
+    return new Response(object.body, {
+      headers,
+    });
+  } catch (error) {
+    console.error("Avatar retrieval error:", error);
+    return createErrorResponse("Server Error", 500);
+  }
+}