docs: Fix broken links in README.md

Author: kvanzuijlen

README.md

@@ -43,9 +43,9 @@ Going forward, all images shall be available at `quay.io/oauth2-proxy/oauth2-pro
     oauth2-proxy-x.y.z.linux-amd64: OK
     ```
 
-2.  [Select a Provider and Register an OAuth Application with a Provider](https://oauth2-proxy.github.io/oauth2-proxy/docs/configuration/oauth_provider)
-3.  [Configure OAuth2 Proxy using config file, command line options, or environment variables](https://oauth2-proxy.github.io/oauth2-proxy/docs/configuration/overview)
-4.  [Configure SSL or Deploy behind a SSL endpoint](https://oauth2-proxy.github.io/oauth2-proxy/docs/configuration/tls) (example provided for Nginx)
+2.  [Select a Provider and Register an OAuth Application with a Provider](https://oauth2-proxy.github.io/oauth2-proxy/configuration/providers/)
+3.  [Configure OAuth2 Proxy using config file, command line options, or environment variables](https://oauth2-proxy.github.io/oauth2-proxy/configuration/overview)
+4.  [Configure SSL or Deploy behind a SSL endpoint](https://oauth2-proxy.github.io/oauth2-proxy/configuration/tls) (example provided for Nginx)
 
 
 ## Security
@@ -55,7 +55,7 @@ See [open redirect vulnerability](https://github.com/oauth2-proxy/oauth2-proxy/s
 
 ## Docs
 
-Read the docs on our [Docs site](https://oauth2-proxy.github.io/oauth2-proxy/docs/).
+Read the docs on our [Docs site](https://oauth2-proxy.github.io/oauth2-proxy/).
 
 ![OAuth2 Proxy Architecture](docs/static/img/architecture.svg)