Add a "calorie remaining today" display

frontend/src/lib/components/Header.svelte

@@ -3,6 +3,7 @@
 	import { faGear } from "@fortawesome/free-solid-svg-icons";
 	import Fa from "svelte-fa";
 	import Settings from "./Settings/Settings.svelte";
+	import EnergyToday from "./Energy/EnergyToday.svelte";
 	Fa;
 
 	type Link = {
@@ -87,6 +88,7 @@
 			<Fa icon={faGear} scale={2} />
 		</button>
 	</div>
+	<EnergyToday />
 </header>
 
 <Settings bind:showModal />