chore(docs): publish docs per version

.travis/docs.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+set -o errexit
+
+git clone --branch gh-pages "https://$GH_TOKEN@github.com/${TRAVIS_REPO_SLUG}.git" deploy_docs
+cd deploy_docs
+
+git config user.name "Sean McArthur"
+git config user.email "sean.monstar@gmail.com"
+
+if [ "$TRAVIS_TAG" = ""  ]; then
+    rm -rf master
+    mv ../target/doc ./master
+    echo "<meta http-equiv=refresh content=0;url=hyper/index.html>" > ./master/index.html
+else
+    rm -rf $TRAVIS_TAG
+    mv ../target/doc ./$TRAVIS_TAG
+    echo "<meta http-equiv=refresh content=0;url=hyper/index.html>" > ./$TRAVIS_TAG/index.html
+
+    latest=$(echo * | tr " " "\n" | sort -V -r | head -n1)
+    if [ "$TRAVIS_TAG" = "$latest" ]; then
+
+        echo "<meta http-equiv=refresh content=0;url=$latest/hyper/index.html>" > index.html
+    fi
+fi
+
+
+git add -A .
+git commit -m "rebuild pages at ${TRAVIS_COMMIT}"
+git push --quiet