adding spring support with the official jetbrains compiler plugin according to https://kotlinlang.org/docs/all-open-plugin.html#spring-support

Author: snv

springdoc-openapi-kotlin/pom.xml

@@ -93,6 +93,18 @@
 						</configuration>
 					</execution>
 				</executions>
+				<configuration>
+					<compilerPlugins>
+						<plugin>spring</plugin>
+					</compilerPlugins>
+				</configuration>
+				<dependencies>
+					<dependency>
+						<groupId>org.jetbrains.kotlin</groupId>
+						<artifactId>kotlin-maven-allopen</artifactId>
+						<version>${kotlin.version}</version>
+					</dependency>
+				</dependencies>
 			</plugin>
 		</plugins>
 	</build>