GEEETech i3 (All Version): Belts Brackets

Hi,
since a little while I have taken a second GEEETech i3B printer, and on this second printer I have do same improvement compared my first one!
One thing that I never love of my first i3B was the Y belt-fixing component, the aluminum plate belt mount. So for this second one I have taken inspiration from the X belt fixing component, the Belt bracket, and I have design a new Y Belt fixing component that not only will be more easy to put in place but also will keep the Y belt well aligned betwe