code: function addCollection(schema) {
  
      return getCollection().then(function(nameRows) {
  
          var info = nameRows.trim().split(/\s+/),
              name = info[0],
              rows = info[1] || DEFAULT_ROWS;
  
          schema[name] = [];
  
          return getFields(name).then(function(fields) {
              schema[name].meta = {
                  fields: fields,
                  rows: rows
              };
              return schema;
          });
      });
  }
docs: Prompt to enter collection name (and optionaly number of words).
  @param {Object} schema
  @return {Promise}