oauth2-yahoo 0.2.0

OAuth 2.0 Yahoo
Documentation
# Yahoo Authorization Code Grant

Ref [Authorization Code Flow for Server-side Apps](https://developer.yahoo.com/oauth2/guide/flows_authcode/)

## Prerequisites

1. Create app

https://developer.yahoo.com/apps/

```
Application Name: oauth2-rs-demo
Redirect URI(s): https://oauth2-rs.lvh.me/auth/yahoo/callback
API Permissions:
    OpenID Connect Permissions
        Email
        Profile
```

```
Client ID: x*96
Client Secret: x*40
```