add jpa module

jpa/src/main/resources/application.yaml

@@ -0,0 +1,22 @@
+spring:
+  application:
+    name: My spring-boot project
+  datasource:
+    url: jdbc:mariadb://localhost:3306/test
+    driver-class-name: org.mariadb.jdbc.Driver
+    username: testuser
+    password: _test_
+  jpa:
+    open-in-view: false
+    generate-ddl: true
+    show-sql: true
+    hibernate:
+      ddl-auto: update
+    properties:
+      hibernate:
+        dialect: org.hibernate.dialect.MariaDBDialect
+  thymeleaf:
+    prefix: classpath:/view/
+    suffix: .html
+server:
+  port: 8080