adjustments of software for server deployment

DATABASE.md

DEPLOYMENT.md

backend/README.md

backend/api_testing/IDATA1002.postman_collection.json

backend/pom.xml

backend/src/main/java/no/idata1002/group19/BudgetingApp.java

...nd/src/main/java/no/idata1002/group19/SecurityConfig.java

...o/idata1002/group19/domain/repository/UserRepository.java

...rc/main/java/no/idata1002/group19/service/JwtService.java

...n/java/no/idata1002/group19/web/api/BudgetController.java

...in/java/no/idata1002/group19/web/api/LoginController.java

...a/no/idata1002/group19/web/api/TransactionController.java

...ain/java/no/idata1002/group19/web/api/UserController.java

backend/src/main/resources/application.properties

backend/src/test/java/no/idata1002/group19/BudgetTest.java

frontend/README.md

frontend/build.zip

frontend/src/Components/Routing/NavBar.js

frontend/src/Session/HttpInterface.js