added swagger routing

src/main/kotlin/Routing.kt

@@ -8,6 +8,7 @@ import io.ktor.http.*
 import io.ktor.server.application.*
 import io.ktor.server.response.*
 import io.ktor.server.routing.*
+import io.ktor.server.plugins.swagger.*
 import java.sql.Connection
 
 fun Application.configureRouting() {
@@ -26,5 +27,9 @@ fun Application.configureRouting() {
         get("/authenticate") {
             call.respondText(System.getenv("JWT_DOMAIN") ?: "You seem to be missing something")
         }
+
+        swaggerUI(path = "swagger", swaggerFile = "src/main/resources/openapi/documentation.yaml") {
+            version = "3.1.0"
+        }
     }
 }