Add ability to remove packages from collection page

app/public/static/collection_editor.js

@@ -0,0 +1,26 @@
+// @author rubenwardy
+// @license magnet:?xt=urn:btih:1f739d935676111cfff4b4693e3816e664797050&dn=gpl-3.0.txt GPL-v3-or-Later
+
+
+function handleRemovePackage(card) {
+	if (!confirm(card.getAttribute("data-delete-confirm"))) {
+		return;
+	}
+	card.querySelector("input[name^=package_removed]").value = "1";
+	card.classList.add("d-none");
+}
+
+window.onload = () => {
+	console.log("Loaded");
+	document.querySelectorAll(".remove-package").forEach(button => {
+		const card = button.parentNode.parentNode;
+		const field = card.querySelector("input[name^=package_removed]");
+
+		// Reloading/validation errors will cause this to be 1 at load
+		if (field && field.value === "1") {
+			card.classList.add("d-none");
+		} else {
+			button.addEventListener("click", () => handleRemovePackage(card));
+		}
+	});
+};