completed initial scaffolding for services

src/main/java/zw/qantra/tm/domain/controllers/ConfirmationController.java

@@ -6,13 +6,17 @@ import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
+import zw.qantra.tm.domain.models.Transaction;
+import zw.qantra.tm.domain.services.TransactionService;
 
 @RestController
 @RequestMapping("/confirm/transaction")
 @RequiredArgsConstructor
 public class ConfirmationController {
+    private final TransactionService transactionService;
+
     @PostMapping()
-    public ResponseEntity post(@RequestBody Object transactionRequest) {
-        return ResponseEntity.ok("Transaction endpoint is working");
+    public ResponseEntity post(@RequestBody Transaction transaction) {
+        return ResponseEntity.ok(transactionService.execute(transaction));
     }
 }