Update file to UTF-8

src/main/resources/application.properties

@@ -7,7 +7,7 @@ spring.jpa.show-sql=true
 #####
 spring.datasource.username=user
 spring.datasource.password=password
-#
+# !
 # This is the h2 database part
 spring.datasource.url=jdbc:h2:file:./data/demo
 spring.datasource.driverClassName=org.h2.Driver