Line#
- scope options
 https://developers.line.biz/en/docs/line-login/integrate-line-login/#scopes
- App registration, create a Line login channel (get your channel_id and channel_secret here)
 - Development callback URL
 
SOCIALACCOUNT_PROVIDERS = {
          'line': {
              'APP': {
                  'client_id': 'LINE_LOGIN_CHANNEL_ID',
                  'secret': 'LINE_LOGIN_CHANNEL_SECRET'
              },
              "SCOPE": ['profile', 'openid', 'email']
          }
      }