Add back in flash messages

src/lib/js/index.ts

@@ -0,0 +1,30 @@
+document.addEventListener("DOMContentLoaded", () => {
+    let flashButtons = document.querySelectorAll(".notification .delete");
+
+    flashButtons.forEach((button) => {
+        let flash = button.parentNode;
+
+        if (flash == null) {
+            console.error(
+                "Unreachable because our `querySelector` includes a parent; something went very wrong"
+            );
+            return;
+        }
+
+        flash.addEventListener("click", () => {
+            if (flash == null) {
+                console.error("Completely unreachable.");
+                return;
+            }
+
+            if (flash.parentNode == null) {
+                console.error(
+                    "Notification not placed in DOM; something went very wrong"
+                );
+                return;
+            }
+
+            flash.parentNode.removeChild(flash);
+        });
+    });
+});