add end-to-end test

- add end-to-end test for identity controller
  - add IdentityEndpoint

- add end-to-end test for node controller
  - add NodeEndpoint
  - update test container sql files

- add end-to-end test for device controller
  - add DeviceEndpoint
  - add identity in first-device.data
  - add .data to .editorconfig
  - update test container sql files

- add end-to-end test for type controller
  - add TypeEndpoint
  - update test container sql files

- prepare for end-to-end test
  - add sql files for postgres container
  - update to build.gradle.kts
    - add integration test dependencies
    - update hlaeja dependency after name changes
  - update catalog version
  - move files from test to integration test
    - valid-private-key.pem
    - application.yml
    - ApplicationTest

src/test/kotlin/ltd/hlaeja/ApplicationTests.kt

@@ -1,13 +0,0 @@
-package ltd.hlaeja
-
-import org.junit.jupiter.api.Test
-import org.springframework.boot.test.context.SpringBootTest
-
-@SpringBootTest
-class ApplicationTests {
-
-    @Test
-    fun contextLoads() {
-        // place holder
-    }
-}