ENH: Add collection delete (#69)

Fixes #37

app/components/confirm-button.js

@@ -0,0 +1,23 @@
+import Component from '@ember/component';
+
+export default Component.extend({
+  tagName: 'span',
+  showConfirm: false,
+  initialLabel: 'LABEL',
+  confirmLabel: 'CONFIRM LABEL',
+  cancelLabel: 'Cancel',
+
+  actions: {
+    initial() {
+      this.set('showConfirm', true);
+    },
+
+    cancel() {
+      this.set('showConfirm', false);
+    },
+
+    confirm() {
+      this.get('onClick')();
+    },
+  },
+});