v0.4.0 - Text fields, Toggle and fixes

• Implementation of Vitamin Text Fields (#32 , #43 and #46) (Thanks @daniel-dumortier)
• Implementation of Vitamin Toggle (aka Switch) (#40) (Thanks @daniel-dumortier)
• Add the ghostReversed button style (#42) (Thanks @daniel-dumortier)
• Fix caption1 and caption2 text style boldness and font (#44) (Thanks @LLE17755)
• Fix text styles baseline (#44) (Thanks @LLE17755)
• Fix secondary button style color (#44) (Thanks @LLE17755)
• Give public access to Vitamin Base colors (#44) (Thanks @LLE17755)