feature: amp-126 init project db and mapper and service

* Add flyway to create tables and fk constraint
* Add entities
* Add repositories
* Add repository tests to prove flyway and jpa line up ok
* Add MapStruct mapper layer
* Add simple service layer

Author: coling01

.gitignore

@@ -1,4 +1,4 @@
-gradle
+gradle/wrapper
 bin/*
 !bin/run-in-docker.sh
 .gradle

gradle/dependencies/spring-db.gradle

@@ -0,0 +1,10 @@
+dependencies {
+  implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+  implementation 'org.postgresql:postgresql'
+  implementation 'org.springframework.boot:spring-boot-starter-flyway'
+  implementation 'org.flywaydb:flyway-core'
+  implementation 'org.flywaydb:flyway-database-postgresql'
+  testImplementation("org.springframework.boot:spring-boot-testcontainers:4.0.0")
+  testImplementation 'org.testcontainers:postgresql:1.21.3'
+  testImplementation 'org.testcontainers:junit-jupiter:1.21.3'
+}