Change package name (#87)

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Author: ioannis-kody

src/main/proto/com/kodypay/grpc/payattable/v1/pay_at_table.proto

@@ -1,6 +1,7 @@
 syntax = "proto3";
 
-package payattable.v1;
+package com.kodypay.grpc.payattable.v1;
+
 import "google/protobuf/timestamp.proto";
 import "google/protobuf/wrappers.proto"; // For optional fields like tip