Updating grunt build file

Now git ignores the build folder
Deleting old build folder
Updating package.json
Updating git repo readme
Rename folder style to styles
Allowing git to track server.bat

server.bat has a simple python command that makes a http server from the folder that the server.bat is

This bat is perfect for testing this project, because the "cuidando-bem" app has some xhr requests that some browsers don't allow on local files
Updating readme with how to run the project
Put all screens templates inside a folder
Merge with branch refactor