refactor: replace Spring Boot with Jooby framework

- Remove Spring Boot dependencies and annotations.
- Implement Jooby MVC controllers and Guice dependency injection.
- Migrate persistence layer to Ebean ORM.
- Configure Flyway migrations and ApiErrorController.
- Update application configuration to HOCON format.

pom.xml

@@ -16,30 +16,35 @@
 		<module>bootstrap</module>
 	</modules>
 
-	<parent>
-		<groupId>org.springframework.boot</groupId>
-		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.3.2</version>
-		<relativePath/>
-	</parent>
-
 	<properties>
 		<java.version>21</java.version>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<jooby.version>3.2.0</jooby.version>
 		<mapstruct.version>1.5.5.Final</mapstruct.version>
-		<springdoc.version>2.6.0</springdoc.version>
+		<lombok.version>1.18.32</lombok.version>
+		<jackson.version>2.17.2</jackson.version>
 	</properties>
 
 	<dependencyManagement>
 		<dependencies>
+			<dependency>
+				<groupId>io.jooby</groupId>
+				<artifactId>jooby-bom</artifactId>
+				<version>${jooby.version}</version>
+				<type>pom</type>
+				<scope>import</scope>
+			</dependency>
+
 			<dependency>
 				<groupId>org.mapstruct</groupId>
 				<artifactId>mapstruct</artifactId>
 				<version>${mapstruct.version}</version>
 			</dependency>
 			<dependency>
-				<groupId>org.mapstruct</groupId>
-				<artifactId>mapstruct-processor</artifactId>
-				<version>${mapstruct.version}</version>
+				<groupId>io.jooby</groupId>
+				<artifactId>jooby-apt</artifactId>
+				<version>${jooby.version}</version>
+				<scope>provided</scope>
 			</dependency>
 		</dependencies>
 	</dependencyManagement>
@@ -50,14 +55,20 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-compiler-plugin</artifactId>
+					<version>3.13.0</version>
 					<configuration>
 						<source>${java.version}</source>
 						<target>${java.version}</target>
 						<annotationProcessorPaths>
+							<path>
+								<groupId>io.jooby</groupId>
+								<artifactId>jooby-apt</artifactId>
+								<version>${jooby.version}</version>
+							</path>
 							<path>
 								<groupId>org.projectlombok</groupId>
 								<artifactId>lombok</artifactId>
-								<version>1.18.32</version>
+								<version>${lombok.version}</version>
 							</path>
 							<path>
 								<groupId>org.mapstruct</groupId>