Add comment for SonarQube testing

Added a comment for SonarQube testing purposes.

Author: Mishaal919

back_end/controller/app_patient_controller.js

@@ -1,6 +1,7 @@
 const sql = require('mssql');
 
 // Get all patients
+//making change for purpose of testing of SonarQube
 const getAllPatients = async (req, res) => {
     try {
         const request = new sql.Request();
@@ -111,4 +112,4 @@ module.exports = {
     searchPatients,
     getPatientById,
     createPatient
-};
+};