Merge pull request #4 from nacabaro/ui/get_character_details

Few things, again!

Few things, again!
- From "Battles" to "Battle"
- Added a settings screen, to import keys and cards
- Added a way to access the settings from home
- Get character details

Merge pull request #1 from nacabaro/ui/main_screens

Added dummy screens plus icons

Added dummy screens plus icons

Initial commit