fix: port to core 1

packages/core/src/blitz/canSplash.ts

@@ -0,0 +1,5 @@
+import { ShellDefinition, ShellType } from '@blitzkit/core';
+
+export function canSplash(type: ShellDefinition['type']): type is ShellType.HE {
+  return type === ShellType.HE;
+}