Add level scores

src/lib/util.ts

@@ -13,3 +13,11 @@ export const splitGd = (input: string): Record<string, string> => {
   }
   return result
 }
+
+export const encodeGJP2 = async (password = '', salt = 'mI29fmAnxgTs') => {
+  const data = new TextEncoder().encode(password + salt)
+  const hashBuffer = await crypto.subtle.digest('SHA-1', data)
+  return Array.from(new Uint8Array(hashBuffer))
+    .map(b => b.toString(16).padStart(2, '0'))
+    .join('')
+}