feat: schema builder's create flow

web/src/assets/main.css

@@ -398,3 +398,13 @@ body {
 		var(--ui-bg-accented) 8px 16px
 	);
 }
+
+.no-spin {
+	appearance: textfield;
+	-moz-appearance: textfield;
+}
+.no-spin::-webkit-inner-spin-button,
+.no-spin::-webkit-outer-spin-button {
+	appearance: none;
+	margin: 0;
+}