translate two index.markdown files under `gettting-started` into Chinese
Merge remote-tracking branch 'upstream/master'
update contributors list
Translate index.markdown for media section in Korean.
Fixes issue #755 in footer and navigation.

Fixes #755
Closes #757

Signed-off-by: Joshua Appelman <jappelman@xebia.com>
Cross-reference to devtools docs for scroll bottlenecks issue.
Merge branch 'master' of https://github.com/google/WebFundamentals
Merge pull request #758 from jbnicolai/master

Fixes issue #755 in footer and navigation.
Translate index.markdown for media section in Korean.
add a credit for showing my profile to contributors.
Merge branch 'media' of github.com:nurinamu/WebFundamentals into media

Conflicts:
	src/site/_ko/fundamentals/media/index.markdown
Merge pull request #756 from nurinamu/media

Translate index.markdown for media section in Korean.
Merge pull request #751 from chenxsan/master

Translate two index.markdown files under `gettting-started` folder into Chinese
Fixes #761 - our staging server now supports localizations based on ?hl=[langcode]