Strength of Irradiance and the UV Index chart page added

Dependencies:   TFT_fonts UniGraphic VEML6075 mbed vt100

Fork of quattro_vishay_6075 by quattro_dev

This is a forked version of quattro_vishay_6075.
An additional Strength of Irradiance and the UV Index page added.

NOTE: Please update the VEML6075.lib before compile.

/media/uploads/Rhyme/img_2118.jpg