Revise doc for release of InterSystems ObjectScript Extension Pack

Author: jstetson10

docs/Installation.md

@@ -22,14 +22,14 @@ Next, you need to install the following extensions:
 - InterSystems ObjectScript
 - InterSystems Server Manager
 
-Run VS Code. From within the application, click the extensions button in the Activity Bar on the left edge of the VS Code window:
+These extension are grouped together in the InterSystems ObjectScript Extension Pack. Run VS Code. From within the application, click the extensions button in the Activity Bar on the left edge of the VS Code window:
 
 ![Extensions button.](../assets/images/extensions.png "extensions button")
 
 Type `intersystems` in the search field to find these extensions in the Marketplace, as illustrated in the following screen shot:
 
 ![Search in Marketplace.](../assets/images/marketplace.png "search in marketplace")
 
-For the Language Server, ObjectScript, and Server Manager extensions, click the **install** button. Note that the InterSystems ObjectScript extension supplies an ObjectScript button which appears in the Activity Bar when a workspace or folder is open:
+You can install all the required extensions in one step by clicking on the **Install** button for the InterSystems ObjectScript Extension Pack. You can also install each extension separately by clicking the **install** button for the required extension. Note that the InterSystems ObjectScript extension supplies an ObjectScript button which appears in the Activity Bar when a workspace or folder is open:
 
 ![ObjectScript button.](../assets/images/objectscript.png "objectscript button")