fix buttons missing type="button"

Triggers unintentional form submits if missing `type` property.

src/routes/+page.svelte

@@ -320,10 +320,17 @@
 		</div>
 		<div class="bg-sui-text/50 w-[1px] self-stretch"></div>
 		<div class="flex items-center gap-1">
-			<button class="item" title="Toggle Bold" aria-label="bold" {@attach boldToggle.attachment}>
+			<button
+				type="button"
+				class="item"
+				title="Toggle Bold"
+				aria-label="bold"
+				{@attach boldToggle.attachment}
+			>
 				<TextB size="1.25em" />
 			</button>
 			<button
+				type="button"
 				class="item"
 				title="Toggle Italic"
 				aria-label="italic"
@@ -332,6 +339,7 @@
 				<TextItalic size="1.25em" />
 			</button>
 			<button
+				type="button"
 				class="item"
 				title="Toggle Underline"
 				aria-label="underline"
@@ -340,6 +348,7 @@
 				<TextUnderline size="1.25em" />
 			</button>
 			<button
+				type="button"
 				class="item"
 				title="Toggle Strikethrough"
 				aria-label="strikethrough"
@@ -414,7 +423,7 @@
 				<input type="checkbox" id="darkmode" />
 				<label for="darkmode">Dark mode</label>
 			</div>
-			<button class="rounded bg-blue-500 px-4 py-2 text-white hover:bg-blue-600">
+			<button type="button" class="rounded bg-blue-500 px-4 py-2 text-white hover:bg-blue-600">
 				Save Changes
 			</button>
 		</form>