code: function createSearchConfig(sFieldToSearch) {
  		var oConfig = {
  			fields: {},
  			expand: true
  		};
  
  		oConfig.fields[sFieldToSearch] = {};
  		return oConfig;
  	}
docs: Create config for search of the lunr index
  in the expected (by lunr lib) format
  
  @param sFieldToSearch
  @returns {{fields: {}, expand: boolean}}