Configure database for non-test mode

- Move .sql resources to main/resources
- Use H2 for both test and non-test.

This allows bootRun to work as expected.

Author: joemoore

build.gradle

@@ -22,7 +22,7 @@ dependencies {
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher' // See https://docs.gradle.org/8.3/userguide/upgrading_version_8.html#test_framework_implementation_dependencies
 
     implementation 'org.springframework.data:spring-data-jdbc'
-    testImplementation 'com.h2database:h2'
+    implementation 'com.h2database:h2'
 }
 
 tasks.named('test') {