Add node.js v11.0.0

- nodejs/docker-node#881
- https://github.com/nodejs/node/releases/tag/v11.0.0
- https://github.com/nodejs/node/blob/master/doc/changelogs/CHANGELOG_V11.md

Author: PeterDaveHello

library/node

@@ -53,6 +53,21 @@ Architectures: arm32v7, arm64v8, amd64, i386, ppc64le, s390x
 GitCommit: 72dd945d29dee5afa73956ebc971bf3a472442f7
 Directory: 6/stretch
 
+Tags: 11.0.0-alpine, 11.0-alpine, 11-alpine, alpine
+Architectures: arm32v6, arm64v8, amd64, i386, ppc64le, s390x
+GitCommit: e007863a848ca34221bb24549293567e2336445b
+Directory: 11/alpine
+
+Tags: 11.0.0-slim, 11.0-slim
+Architectures: arm32v7, arm64v8, amd64, ppc64le, s390x
+GitCommit: daf910e1241580d468375380649239a87dd65e74
+Directory: 11/slim
+
+Tags: 11.0.0-stretch, 11.0-stretch
+Architectures: arm32v7, arm64v8, amd64, ppc64le, s390x
+GitCommit: e007863a848ca34221bb24549293567e2336445b
+Directory: 11/stretch
+
 Tags: 10.12.0-jessie, 10.12-jessie, 10-jessie, jessie, 10.12.0, 10.12, 10, latest
 Architectures: arm32v7, amd64
 GitCommit: 45fa3ebe94598758b9c9e4a382236fc7e879e2e6