<commit_before>An Omniauth 1.0 Strategy for Flickr

For more information see the following:

 * https://github.com/intridea/omniauth/wiki/List-of-Strategies

Release notes:

 * Version 0.0.15<commit_msg>Add example to readme<commit_after># An Omniauth 1.0 Strategy for Flickr

## Basic setup example

```RUBY
  Rails.application.config.middleware.use OmniAuth::Builder do
    provider :flickr, ENV['FLICKR_KEY'], ENV['FLICKR_SECRET'], scope: 'read'
  end
```
A scope must be set, which translate to the `perms` parameter in the request url. Valid perms (scopes) are `read`, `write` and `delete`.

## For more information see the following:

 * https://github.com/intridea/omniauth/wiki/List-of-Strategies
 * https://www.flickr.com/services/api/auth.howto.web.html
 
## Release notes:

 * Version 0.0.15
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