Add page explaining using both GitHub integrations together (#9504)

* create page

* some minor changes and add pipeline badges

* lint fixes

* small changes

* changes from review

* add short version of gh and bb in url

---------

Co-authored-by: BeFunes <[email protected]>

Author: rosieyohannan

docs/guides/modules/ROOT/images/icons/github-app.svg

@@ -267,11 +267,13 @@
 ** VCS integration
 *** xref:integration:version-control-system-integration-overview.adoc[VCS integration overview]
 *** xref:integration:github-apps-integration.adoc[GitHub App integration]
+*** xref:integration:github-integration.adoc[GitHub OAuth app integration]
+*** xref:integration:using-the-circleci-github-app-in-an-oauth-org.adoc[Using the CircleCI GitHub App in an OAuth org]
 *** xref:integration:gitlab-integration.adoc[GitLab integration]
 *** xref:integration:bitbucket-data-center-integration.adoc[Bitbucket data center integration]
-*** xref:integration:github-integration.adoc[GitHub OAuth app integration]
 *** xref:integration:bitbucket-integration.adoc[Bitbucket Cloud integration]
 *** xref:integration:oss.adoc[Build open source projects]
+
 ** Third-party integrations
 *** xref:integration:enable-checks.adoc[Enable GitHub Checks]
 *** xref:integration:jira-plugin.adoc[Connect with Jira]
@@ -313,4 +315,4 @@
 ** xref:plans-pricing:plan-free.adoc[Free Plan overview]
 ** xref:plans-pricing:plan-performance.adoc[Performance Plan overview]
 ** xref:plans-pricing:plan-scale.adoc[Scale Plan overview]
-** xref:plans-pricing:plan-server.adoc[Server Plan overview]
+** xref:plans-pricing:plan-server.adoc[Server Plan overview]