Move supported omniauth providers to the top

[ci skip]

doc/integration/omniauth.md

@@ -9,6 +9,23 @@ Configuring OmniAuth does not prevent standard GitLab authentication or LDAP (if
 - [Enable OmniAuth for an Existing User](#enable-omniauth-for-an-existing-user)
 - [OmniAuth configuration sample when using Omnibus GitLab](https://gitlab.com/gitlab-org/omnibus-gitlab/tree/master#omniauth-google-twitter-github-login)
+## Supported Providers
+
+This is a list of the current supported OmniAuth providers. Before proceeding
+on each provider's documentation, make sure to first read this document as it
+contains some settings that are common for all providers.
+
+- [GitHub](github.md)
+- [Bitbucket](bitbucket.md)
+- [GitLab.com](gitlab.md)
+- [Google](google.md)
+- [Facebook](facebook.md)
+- [Twitter](twitter.md)
+- [Shibboleth](shibboleth.md)
+- [SAML](saml.md)
+- [Crowd](crowd.md)
+- [Azure](azure.md)
+
 ## Initial OmniAuth Configuration
 Before configuring individual OmniAuth providers there are a few global settings that are in common for all providers that we need to consider.
@@ -67,19 +84,6 @@ If you want to change these settings:
 Now we can choose one or more of the Supported Providers below to continue configuration.
-## Supported Providers
-
-- [GitHub](github.md)
-- [Bitbucket](bitbucket.md)
-- [GitLab.com](gitlab.md)
-- [Google](google.md)
-- [Facebook](facebook.md)
-- [Twitter](twitter.md)
-- [Shibboleth](shibboleth.md)
-- [SAML](saml.md)
-- [Crowd](crowd.md)
-- [Azure](azure.md)
-
 ## Enable OmniAuth for an Existing User
 Existing users can enable OmniAuth for specific providers after the account is created. For example, if the user originally signed in with LDAP an OmniAuth provider such as Twitter can be enabled. Follow the steps below to enable an OmniAuth provider for an existing user.