⛹️‍♂️ Simplifies layout handling

app/src/lib/stores/fullscreen.ts

@@ -0,0 +1,24 @@
+import { writable } from 'svelte/store';
+
+export const isFullscreen = writable(false);
+
+export function toggleFullscreen() {
+	isFullscreen.update((state) => {
+		!state ? document.documentElement.requestFullscreen() : document.exitFullscreen();
+		return !state;
+	});
+}
+
+export function enterFullscreen() {
+	if (!document.fullscreenElement) {
+		document.documentElement.requestFullscreen();
+		isFullscreen.set(true);
+	}
+}
+
+export function exitFullscreen() {
+	if (document.fullscreenElement) {
+		document.exitFullscreen();
+		isFullscreen.set(false);
+	}
+}