Moved nice tools from fgo-ta over

src/utils/tools.ts

@@ -0,0 +1,5 @@
+export function plsLoadImage(record: Record<string, () => Promise<{default: ImageMetadata}>>, path: string) {
+  const loadedImage = record[path]?.();
+  if (!loadedImage) throw new Error("Asset was not found:" + path);
+  return loadedImage;
+}