modify open source code Koltin

modify opensource code, the code is written in Koltin. it is a keyboard.

- add share public key on keyboard
- change logo
-change name
-change start of MESSAGE it says tessercube
-add shortcut e.g. hello [type name of contact] or and auto encrypts
-add pre determined phrases
-no need copy, just press and hold
- able to encrypt images
-change shortcut to [meesage]#[contact]
-put # sign on main keyboard