Added a new folder called NUY Pictures

Added the Not Used Yet folder with pictures that will be used in a later
programming stage.

Added:
* 536bcc541db5c2RAkwsmbPu.png (Small logo of LiteraCode)
* Big (The big logo of LiteraCode)
* LiteraCode Flat logo.psd (Photoshopfile with a LiteraCode text in the
"Grapple" letter type on the surface. Made with Pablo)