Update bridge constructor docs

The docs here are out of sync:

chainbridge-solidity/contracts/Bridge.sol

Lines 105 to 109 in 1d5bfa3

    
                   @param chainID ID of chain the Bridge contract exists on. 
        
                   @param initialRelayers Addresses that should be initially granted the relayer role. 
        
                   @param initialRelayerThreshold Number of votes needed for a deposit proposal to be considered passed. 
        
                */ 
        
               constructor (uint8 chainID, address[] memory initialRelayers, uint256 initialRelayerThreshold, uint256 fee, uint256 expiry) public {

	@param chainID ID of chain the Bridge contract exists on.
	@param initialRelayers Addresses that should be initially granted the relayer role.
	@param initialRelayerThreshold Number of votes needed for a deposit proposal to be considered passed.
	*/
	constructor (uint8 chainID, address[] memory initialRelayers, uint256 initialRelayerThreshold, uint256 fee, uint256 expiry) public {