chore(docs): automate build of docs

Author: KyleRoss

.releaserc

@@ -5,7 +5,7 @@
         "@semantic-release/changelog",
         "@semantic-release/npm",
         ["@semantic-release/git", {
-            "assets": ["package.json", "CHANGELOG.md"],
+            "assets": ["package.json", "CHANGELOG.md", "README.md"],
             "message": "chore(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"
         }],
         "@semantic-release/github"

.travis.yml

@@ -27,5 +27,6 @@ jobs:
         provider: script
         skip_cleanup: true
         script:
+          - npm run docs
           - npx semantic-release
       if: branch = master