Add StarNight's avatar.
Merge pull request #47 from starnight/patch-1

Add StarNight's avatar.
Change the avatar's URL.

Viewing the avatar without loginning GitHub.
Merge pull request #48 from starnight/patch-1

Change the avatar's URL of starnight.
Update participant.yml
Merge pull request #49 from CindyLinz/patch-5

Update CindyLinz's avatar again.
Update README.md
Change avatar URL.

Use the picture on Gravatar.
Shorten avatar
Merge pull request #50 from starnight/patch-1

starnight use gravatar
add glow effect on drop