feat: implement final Experience API

bootstrap/src/main/resources/application.yml

@@ -11,6 +11,7 @@ spring:
     properties:
       hibernate.transaction.jta.platform: org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform
       hibernate:
+        dialect: org.hibernate.dialect.H2Dialect
         format_sql: true
     show-sql: true
 
@@ -37,7 +38,8 @@ spring:
       on-profile: default
 
   datasource:
-    url: jdbc:h2:mem:portfolio_db;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE
+    url: jdbc:h2:file:./portfolio-db
+    driver-class-name: org.h2.Driver
     username: sa
     password: