Merge pull request #9 from yggotx/function_retryButton

PullRequest for Add suggest Page
Modify explore method
Change MenusController

- sugestメソッドがseggestになっていたので修正
- それぞれのメソッドが合致するviewを表示するよう修正
Add License statement and App url
Merge pull request #10 from misa-takeba/modify_explore_method

Pull Request for modifying menu controller
Merge pull request #11 from misa-takeba/fix_README

Pull Request for adding license statement
Fix menus.css
Add rerty button
Delete menus.css.scss