code: function createDapp (secret, secondSecret, options) {
  	var keys = crypto.getKeys(secret);
  
  	var transaction = {
  		type: 5,
  		amount: 0,
  		fee: constants.fees.dapp,
  		recipientId: null,
  		senderPublicKey: keys.publicKey,
  		timestamp: slots.getTime(),
  		asset: {
  			dapp: {
  				category: options.category,
  				name: options.name,
  				description: options.description,
  				tags: options.tags,
  				type: options.type,
  				link: options.link,
  				icon: options.icon
  			}
  		}
  	};
  
  	crypto.sign(transaction, keys);
  
  	if (secondSecret) {
  		var secondKeys = crypto.getKeys(secondSecret);
  		crypto.secondSign(transaction, secondKeys);
  	}
  
  	transaction.id = crypto.getId(transaction);
  	return transaction;
  }
docs: @method createDapp
  @param secret
  @param secondSecret
  @param options
  
  @return {Object}