fixed the deployment script

deploy.sh

@@ -1,6 +1,11 @@
 #!/bin/sh
+rm -rf build
 npm run build
 cd ./build
+git init
 git add .
 git commit -m 'push to gh-pages'
 git push --force [email protected]:anvaka/pm.git master:gh-pages
+cd ../
+git tag `date "+release-%Y%m%d%H%M%S"`
+git push --tags