Increase getDocument timeout to 20s to prevent failing while the API is normalizing documents (#264)

Author: jpreynat

src/lib/api.ts

@@ -559,6 +559,12 @@ export const getDocument = cache(
  );
  return cacheResponse(response, immutableCacheTtl_7days);
  },
+ {
+ // Temporarily allow for a longer timeout than the default 10s
+ // because GitBook's API currently re-normalizes all documents
+ // and it can take more than 10s...
+ timeout: 20 * 1000,
+ },
 );
 
 /**