v0.0.2-alpha

Main additions:

• Option to automatically enter all the zip codes in selected states.
• Settings dialog with an option to include temporal information.
• Dialog to show an R code snipped that can be used to merge the downloaded CSV into the user's data.
• Input validation.
• Some visual enhancements. font type and size adjustments, use of avatars containing the step number, redesign card header, etc.