feat: gravatar integration

assets/controllers/gravatar_controller.js

@@ -0,0 +1,17 @@
+import {Controller} from '@hotwired/stimulus'
+
+export default class extends Controller {
+    static values = {url: String, alt: String}
+    static classes = ['image']
+
+    connect() {
+        const img = new Image()
+        img.onload = () => {
+            img.classList.add(...this.imageClasses)
+            this.element.innerHTML = ''
+            this.element.appendChild(img)
+        }
+        img.alt = this.altValue
+        img.src = this.urlValue
+    }
+}