add style for actor tiles

render actors got from backend
backend test code to get actors

src/elements/Popups/NewActorPopup/NewActorPopup.module.css

@@ -0,0 +1,8 @@
+.savebtn {
+    background-color: greenyellow;
+    border: 0;
+    border-radius: 4px;
+    float: right;
+    margin-top: 30px;
+    padding: 3px;
+}