Do not recommend Konflux PaC App installation organization wide (#527)

* Do not recommend Konflux PaC App installation organization wide

Signed-off-by: Mykola Morhun <[email protected]>

* Add note about migration a Component between clusters

Signed-off-by: Mykola Morhun <[email protected]>

---------

Signed-off-by: Mykola Morhun <[email protected]>

Author: mmorhun

modules/installing/pages/github-app.adoc

@@ -17,4 +17,9 @@ The App provides several key functionalities to enhance your development workflo
 * Creates pull requests containing {ProductName} updates
 
 == Where is the App installed? [[where-is-the-app-installed]]
-A GitHub App is installed on a specific repository or an entire organization. Users can manage and configure the app's settings through the repository or organization's settings page under `Installed GitHub Apps`.
+A GitHub App is installed on a specific repository or an entire organization. Users can manage and configure the app's settings through the repository or organization's settings page under `Installed GitHub Apps`.
+
+NOTE: Install the App only into git repositories that are onboarded to Konflux.
+Do not install the App organization-wide unless _all_ repositories are onboarded to Konflux.
+
+NOTE: When migrating Componentes between Konflux clusters, don't forget to uninstall the App which corresponds to the old cluster.