add webstorm
ignore webstorm
add index file with basic structure
update basic structure
improve & add html structure of palindromo
webstorm change -.-"

need to fix .gitignore
improve and clean
begin fail way
make true way
improve UI
clean code & fix only number input
clean code
big refactor, just one object
webstorm change -.-"

need to understand .gitignore
how to config .gitignore?