add clear lineup/availabilities, availability reminders

src/views/modal_confirm.hbs

@@ -0,0 +1,19 @@
+<div id="modal" class="Modal Modal--clickableBg">
+	<div class="Modal-content">
+		<div onclick="javascript:this.closest('.Modal').remove();">{{{embeddedSvgFromPath "/teamsnap-ui/assets/icons/dismiss.svg" "Modal-iconDismiss"}}}</div>
+		<div class="Modal-header">
+			<div class="Modal-title">{{title}}</div>
+    </div>
+		<div class="Modal-body">
+			{{body}}
+		</div>
+    <div class="Modal-footer">
+      <button class="Button Button--negative" role="button" type="button" onclick="javascript:this.closest('.Modal').remove();" data-confirm="cancel">
+        Cancel
+      </button> 
+      <button class="Button Button--primary" role="button" type="button" data-confirm="yes">
+        Yes
+      </button>
+    </div>
+  </div>
+</div>