Add sponsorMatchOrders(..) & DealSponsored event to IexecPoco1 interface

Author: james-toussaint

contracts/modules/interfaces/IexecPoco1.sol

@@ -21,6 +21,7 @@ interface IexecPoco1 {
         uint256 volume
     );
     event SchedulerNotice(address indexed workerpool, bytes32 dealid);
+    event DealSponsored(bytes32 dealId, address sponsor);
 
     function verifySignature(address, bytes32, bytes calldata) external view returns (bool);
 
@@ -38,4 +39,11 @@ interface IexecPoco1 {
         IexecLibOrders_v5.WorkerpoolOrder calldata,
         IexecLibOrders_v5.RequestOrder calldata
     ) external returns (bytes32);
+
+    function sponsorMatchOrders(
+        IexecLibOrders_v5.AppOrder calldata,
+        IexecLibOrders_v5.DatasetOrder calldata,
+        IexecLibOrders_v5.WorkerpoolOrder calldata,
+        IexecLibOrders_v5.RequestOrder calldata
+    ) external returns (bytes32);
 }