Add inputmode attribute to reading progress modal input

src/ui/modals/ReadingProgressModalView.svelte

@@ -23,6 +23,7 @@
 	);
 	const min = $derived(0);
 	const max = $derived(mode === "page-number" ? pageCount : 100);
+	const inputmode = $derived(mode === "page-number" ? "numeric" : "decimal")
 
 	function onsubmit(ev: SubmitEvent) {
 		ev.preventDefault();
@@ -47,6 +48,7 @@
 			<input
 				id="value"
 				type="number"
+				{inputmode}
 				{placeholder}
 				{min}
 				{max}