feat: allow to configure product.json using Config Map (#2877)

Signed-off-by: Vitaliy Gulyy <vgulyy@redhat.com>
Co-authored-by: Jana Vrbkova <jvrbkova@redhat.com>

Author: vitaliy-guliy

modules/administration-guide/pages/configuring-single-and-multiroot-workspaces.adoc

@@ -9,7 +9,7 @@
 
 With the multi-root workspace feature, you can work with multiple project folders in the same workspace. This is useful when you are working on several related projects at once, such as product documentation and product code repositories.
 
-TIP: See link:https://code.visualstudio.com/docs/editor/workspaces[What is a VS Code "workspace"] for better understanding and authoring the workspace files.
+TIP: See link:https://code.visualstudio.com/docs/editing/workspaces/workspaces[What is a VS Code workspace] for better understanding and authoring the workspace files.
 
 [NOTE]
 ====

modules/administration-guide/pages/editor-configurations-for-microsoft-visual-studio-code.adoc

@@ -15,9 +15,11 @@ The following sections are currently supported:
 
 * settings.json
 * extensions.json
+* product.json
 
-The `settings.json` section contains various settings that allow to customize different parts of the Code - OSS editor. +
-The `extensions.json` section contains recommented extensions are installed when a workspace is started.
+The *settings.json* section contains various settings with which you can customize different parts of the Code - OSS editor. +
+The *extensions.json* section contains recommended extensions that are installed when a workspace is started. +
+The *product.json* section contains properties that you need to add to the editor's *product.json* file. If the property already exists, its value will be updated.
 
 .Procedure
 
@@ -47,6 +49,19 @@ data:
         "titleBar.activeForeground": "#ffffff"
       }
     }
+  product.json: |
+    {
+      "extensionEnabledApiProposals": {
+        "ms-python.python": [
+          "contribEditorContentMenu",
+          "quickPickSortByLabel",
+        ]
+      },
+      "trustedExtensionAuthAccess": [
+        "<publisher1>.<extension1>",
+        "<publisher2>.<extension2>"
+      ]
+    }
 immutable: false
 ----
 ====
@@ -67,4 +82,7 @@ Make sure that the Configmap contains data in a valid JSON format.
 * Go to the `Extensions` view (`F1 → View: Show Extensions`) and check that the extensions are installed
 * Ensure that the extensions from the ConfigMap are present in the `.code-workspace` file by using the `F1 → File: Open File...` command. By default, the workspace file is placed at `/projects/.code-workspace`.
 
-
+. Verify that product properties defined in the ConfigMap are being added to the Visual Studio Code *product.json*:
+* Open a terminal, run the command `cat /checode/entrypoint-logs.txt | grep "Node.js dir"` and copy the Visual Studio Code path.
+* Press `Ctrl + O`, paste the copied path and open *product.json* file.
+* Ensure that *product.json* file contains all the properties defined in the ConfigMap.