Pull request shibex to metamask

[yosefede06]

Shibex is a Gamefi platform where SHIBX is the token that allow players to play and bet their SHIBX tokens against other players. the platform will lunch Arcade games regularly and SHIBX will be the utility token for all the games. The game economics is a new mechanism called "play2burn" where a part of the tokens that bet in the games are burn until the token get 20% out of the supply, then the tokens will go back to the holders and liquidity providing.