Task/bam 318 add service change to order (#83)

## **Associated JIRA tasks**

BAM-318

## **What the change does.**

Add service change amount to the order returned 

Additionally, also added the pull_request_template to the repo

## **Does this change break backwards compatibility?.**

No

Author: HaitaoDan

docs/pull_request_template.md

@@ -0,0 +1,11 @@
+## **Associated JIRA tasks**
+
+Links to associated JIRAs for this project
+
+## **What the change does.**
+
+Describe what the change is and what functionality it adds.
+
+## **Does this change break backwards compatibility?.**
+
+Describe where and how this change breaks backwards compatibility.

src/main/proto/com/kodypay/grpc/ordering/v1/order.proto

@@ -133,6 +133,7 @@ message Order {
   optional string location_number = 6;
   OrderStatus status = 7;
   optional google.protobuf.Timestamp date_created = 8; // set by server when order is received for first time
+  optional string service_charge_amount = 9;
 
   message OrderItemOrCombo {
     oneof type {