Less redraw of station map, fix end date, some styling

web/src/components/Spacer.tsx

@@ -0,0 +1,7 @@
+import { Component } from "solid-js";
+
+export const Spacer: Component<{ padding?: string; }> = ({ padding }) => {
+    return (
+        <div style={{ display: "inline-block", padding: padding ?? "5px" }}></div>
+    );
+}