message: chore: document constants
diff: var duckdb = require('./duckdb-binding.js');
  module.exports = exports = duckdb;
  +/**
  + * Check that errno attribute equals this to check for a duckdb error
  + */
  +var ERROR = duckdb.ERROR
  +
  +/**
  + * Open database in readonly mode
  + */
  +var OPEN_READONLY = duckdb.OPEN_READONLY;
  +/**
  + * Currently ignored
  + */
  +var OPEN_READWRITE = duckdb.OPEN_READWRITE;
  +/**
  + * Currently ignored
  + */
  +var OPEN_CREATE = duckdb.OPEN_CREATE;
  +/**
  + * Currently ignored
  + */
  +var OPEN_FULLMUTEX = duckdb.OPEN_FULLMUTEX;
  +/**
  + * Currently ignored
  + */
  +var OPEN_SHAREDCACHE = duckdb.OPEN_SHAREDCACHE;
  +/**
  + * Currently ignored
  + */
  +var OPEN_PRIVATECACHE = duckdb.OPEN_PRIVATECACHE;
  // some wrappers for compatibilities sake
  /**
  