[Pages] use smaller logo.

Signed-off-by: Eric Wang <skygragon@gmail.com>

Author: skygragon

README.md

@@ -12,11 +12,11 @@ Great thanks to leetcode.com, a really awesome website!
 [![Build](https://img.shields.io/travis/skygragon/leetcode-cli.svg?style=flat)](https://travis-ci.org/skygragon/leetcode-cli)
 [![Join chat at https://gitter.im/skygragon/leetcode-cli](https://img.shields.io/gitter/room/skygragon/leetcode-cli.svg?style=flat)](https://gitter.im/skygragon/leetcode-cli)
 
-⦙ [Install](https://skygragon.github.io/leetcode-cli/install) ⦙
+⦙ [Releases](https://skygragon.github.io/leetcode-cli/releases) ⦙
+[Installation](https://skygragon.github.io/leetcode-cli/install) ⦙
 [Docs](https://skygragon.github.io/leetcode-cli/) ⦙
 [Commands](https://skygragon.github.io/leetcode-cli/commands) ⦙
 [Advanced Tips](https://skygragon.github.io/leetcode-cli/advanced) ⦙
-[Releases](https://skygragon.github.io/leetcode-cli/releases) ⦙
 
 * A very [**EFFICIENT**](#quick-start) way to fight problems.
 * [**CACHING**](https://skygragon.github.io/leetcode-cli/advanced#cache) problems locally thus you can easily navigate & think it offline.