Add .circleci to demo template

Author: ngs

demo/publicTemplate/.circleci/config.yml

@@ -0,0 +1,4 @@
+version: 2
+
+workflows:
+  version: 2

package.json

@@ -13,7 +13,7 @@
     "clean":
       "node_modules/.bin/rimraf lib; node_modules/.bin/rimraf demo/public",
     "deploy:demo":
-      "COMMIT=$(git rev-parse --short HEAD) && BRANCH=gh-pages && GIT_URL=$(git config --get remote.origin.url) && DIR=.deploy; rm -rf $DIR; (git clone $GIT_URL -b $BRANCH $DIR || (git init $DIR && cd $DIR && git remote add origin $GIT_URL && git checkout -b $BRANCH)) && rm -rf ${DIR}/* && cp -R ${DIR}/../demo/public/* $DIR && cd $DIR && git add -A && git commit -m \"Built artifacts of ${COMMIT}\" && git push origin $BRANCH",
+      "COMMIT=$(git rev-parse --short HEAD) && BRANCH=gh-pages && GIT_URL=$(git config --get remote.origin.url) && DIR=.deploy; rm -rf $DIR; (git clone $GIT_URL -b $BRANCH $DIR || (git init $DIR && cd $DIR && git remote add origin $GIT_URL && git checkout -b $BRANCH)) && rm -rf ${DIR}/* && cp -R ${DIR}/../demo/public/* $DIR  && rm -rf ${DIR}/.circleci && cp -R ${DIR}/../demo/publicTemplate/.circleci $DIR && cd $DIR && git add -A && git commit -m \"Built artifacts of ${COMMIT}\" && git push origin $BRANCH",
     "prepublish": "npm run build",
     "start": "npm run start:dev",
     "start:dev": "node_modules/.bin/babel-node ./demo/server.js",