Main page wih side bar having all the buttons

[aashishchachan]

• increase the length of tile to reduce the gap from the side bar.
• highlight the name of the section we are in
• Add the enlarged button of '+'
• Increase the space between SVNIT's logo and 'SVNIT EVENT PORTAL'
• change 'EVENT' to 'EVENTS'.
• Add the button to view profile.
• Loader should appear only in the space of tiles and not on the entire screen.