added Integration test for Email controller and md for generating app

hla-product-ordering/backend/src/main/resources/application-it.yml

@@ -4,8 +4,8 @@ server:
 spring:
   datasource:
     url: jdbc:postgresql://localhost:5332/hla
-    username: hlauser
-    password: hlapassword
+    username: admin
+    password: admin
   jpa:
     hibernate:
       ddl-auto: validate

how-to-generate-app-password.md

@@ -0,0 +1,25 @@
+# How to generate App Password
+
+#### In your gmail, choose **Manage your Google Account**
+
+![smile](https://drive.google.com/uc?id=1s5uclfMYh9hZClrCjWH8z8STWQ1pIrtg)
+
+
+#### On the left panel, choose **Security** then choose **2-Step Verification**
+![smile](https://drive.google.com/uc?id=1KpEF-zrYCmn_lEP2KprJq_5nycrlYLVj)
+
+
+#### In **2-Step Verification**, scroll down the page and then choose **App passwords**
+![smile](https://drive.google.com/uc?id=12RgKaJZHEW15Axf-F8WNxOtbI8m0zBrJ)
+
+#### In **App passwords**, choose **Select app > Other (Customr name) > Input your project's name > Generate**
+![smile](https://drive.google.com/uc?id=1zBg255FzuxvkBJfoFiDAgs70q6ecaBQ3)
+
+
+#### Save the app password somewhere in your note, this password will associate with your email as username in the application you use.
+![smile](https://drive.google.com/uc?id=1L124J_9VMrFuUE6hKkKYbhOHEAuHWo63)
+
+
+
+
+