Move Gallery to a new page

[almondheng]

Is your feature request related to a problem? Please describe.
Too many images if gallery is loaded on the main page.

Describe the solution you'd like
Move the gallery section on index.blade.php to a new file called gallery.blade.php and style the page as you see fit. Also, link the route of the new gallery page to the Gallery option of the navigation bar on the main page.

Describe alternatives you've considered
None.

Additional context
Related issue #30