Gitea - Oauth2 Proxy

:::note This is not actually its own provider. For more details and options please refer to the GitHub Provider Options :::

Create a new application: https://< your gitea host >/user/settings/applications
Under Redirect URI enter the correct URL i.e. https://<proxied host>/oauth2/callback
Note the Client ID and Client Secret.
Pass the following options to the proxy:

    --provider="github"
    --redirect-url="https://<proxied host>/oauth2/callback"
    --provider-display-name="Gitea"
    --client-id="< client_id as generated by Gitea >"
    --client-secret="< client_secret as generated by Gitea >"
    --login-url="https://< your gitea host >/login/oauth/authorize"
    --redeem-url="https://< your gitea host >/login/oauth/access_token"
    --validate-url="https://< your gitea host >/api/v1/user/emails"