Convert download section to be mobile responsive
Responsive Image.
Merge branch 'kalite' of https://github.com/fle-internal/fle-home into kalite

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Signed-off-by: wangguan59 <wangguan59@gmail.com>
gitignor update.
Merge branch 'kalite' of github.com:wangguan59/fle-home into kalite

Conflicts:
	.gitignore