feat: add structure, plain data for testing, and api example endpoints

.idea/dataSources.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="kidio_db@82.165.11.162" uuid="c8ad70de-d5fc-407a-9165-4f24328fa311">
+      <driver-ref>postgresql</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.postgresql.Driver</jdbc-driver>
+      <jdbc-url>jdbc:postgresql://82.165.11.162:5432/kidio_db</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>

build.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
     alias(libs.plugins.kotlin.jvm)
     alias(ktorLibs.plugins.ktor)
+    kotlin("plugin.serialization") version "2.0.0"
 }
 
 group = "com.oliver.kidio.backend"
@@ -13,12 +14,21 @@ application {
 kotlin {
     jvmToolchain(21)
 }
+
 dependencies {
     implementation(ktorLibs.server.config.yaml)
     implementation(ktorLibs.server.core)
     implementation(ktorLibs.server.netty)
     implementation(libs.logback.classic)
 
+    // JSON-Unterstützung und Serialization
+    implementation("io.ktor:ktor-server-content-negotiation-jvm")
+    implementation("io.ktor:ktor-serialization-kotlinx-json-jvm")
+//postgres
+    implementation("org.postgresql:postgresql:42.7.3")
+    implementation("org.jetbrains.exposed:exposed-core:0.50.0")
+    implementation("org.jetbrains.exposed:exposed-dao:0.50.0")
+    implementation("org.jetbrains.exposed:exposed-jdbc:0.50.0")
     testImplementation(kotlin("test"))
     testImplementation(ktorLibs.server.testHost)
 }