feat(Add.ts): add new method updateAddProgram to update the Add program with a proof argument

Author: ymekuria

templates/project-ts/src/Add.ts

@@ -23,4 +23,6 @@ export class Add extends SmartContract {
     const newState = currentState.add(2);
     this.num.set(newState);
   }
+
+  @method async updateAddProgram(proof: AddProgramProof) {}
 }