Add docs for spring.boot.admin.routes.endpoints

spring-boot-admin-docs/src/main/asciidoc/index.adoc

@@ -259,6 +259,10 @@ spring.boot.admin.password
 | spring.boot.admin.monitor.status-lifetime
 | Lifetime of application statuses in ms. The applications /health-endpoint will not be queried until the lifetime has expired.
 | 10.000
+
+| spring.boot.admin.routes.endpoints
+| The enpoints which will be available via spring boot admin zuul proxy. If you write ui modules using other endpoints you need to add them.
+| `"env,metrics,trace,dump,jolokia,info,configprops,trace,activiti,logfile,refresh,flyway,liquibase"`
 |===