release v3.1.1

chore(package): update npm package manifest

update package name to ng-mask
update description
add homepage
update main file
add keywords

Version 3.0.16

Version 3.0.12

Version 3.0.11

Version 3.0.8

Version 3.0.7

Version 3.0.6

Version 3.0.5

Version 3.0.3