fix(core): Add PUT to the allowed methods in the CORS config

As the API contains PUT endpoints, it must also be an allowed method in
the CORS configuration.

Fixes #1048.

Signed-off-by: Martin Nonnenmacher <[email protected]>

Author: mnonnenmacher

core/src/main/kotlin/plugins/HTTP.kt

@@ -43,5 +43,6 @@ fun Application.configureHTTP() {
         allowHeader(HttpHeaders.ContentType)
         allowMethod(HttpMethod.Delete)
         allowMethod(HttpMethod.Patch)
+        allowMethod(HttpMethod.Put)
     }
 }