Authentication

- add AuthenticationController
- add AuthenticationService
- add getUserByUsername to AccountService
- add findByUsername to AccountRepository
- add SecurityConfiguration
- set up authentication

src/main/resources/application.yml

@@ -10,6 +10,9 @@ spring:
         name: "%APP_BUILD_OS_NAME%"
         version: "%APP_BUILD_OS_VERSION%"
 
+jwt:
+  private-key: cert/private_key.pem
+
 ---
 ###############################
 ### Development environment ###