createProjectCard(colId, options, cb) {
      return this._request('POST', `/projects/columns/${colId}/cards`, options, cb);
   }
Create a new card
@see https://developer.github.com/v3/projects/cards/#create-a-project-card
@param {string} colId - the column id
@param {Object} options - the description of the card
@param {Requestable.callback} cb - will receive the newly created card
@return {Promise} - the promise for the http request