Allow game cards to grow to use the complete available horizontal space

[arielj]

This PR fixes a small visual issue with the game grid leaving some empty space on the right side when wrapping into the next line. Now game cards can grow a bit to use all the space that's available when needed.

Before:

After:

Note that I also moved the logos for for images with logos so the title overlay doesn't cover it

I also added some extra padding at the bottom because the back to top button was overlapping the last element of the grid.

Before:

After: (now we can scroll a bit more)

This Fixes #1436

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Use the following Checklist if you have changed something on the Backend or Frontend:

• Tested the feature and it's working on a current and clean install.
• Tested the main App features and they are still working on a current and clean install. (Login, Install, Play, Uninstall, Move games, etc.)
• Created / Updated Tests (If necessary)
• Created / Updated documentation (If necessary)

[flavioislima]

Nice, pretty good approach to the size of the cards! 👍🏽