ci: github pages deployment

Author: meteorlxy

.travis.yml

@@ -0,0 +1,28 @@
+language: node_js
+
+git:
+  depth: false
+
+branches:
+  only:
+    - master
+
+node_js:
+  - node
+
+cache: yarn
+
+install: yarn
+
+script: yarn build:docs
+
+deploy:
+  provider: pages
+  repo: vuepress/vuepress.github.io
+  target-branch: master
+  github-token: $GITHUB_TOKEN
+  local-dir: packages/docs/dist
+  skip-cleanup: true
+  keep_history: false
+  on:
+    branch: master