Update install docs to mention samples and link to the forum for feedback

README.md

@@ -170,6 +170,11 @@ sure to include as much detail as possible. If you run into any other problems
 using the ML-Agents Toolkit or have a specific feature request, please
 [submit a GitHub issue](https://github.com/Unity-Technologies/ml-agents/issues).
 
+Please tell us which samples you would like to see shipped with the ML-Agents Unity
+package by replying to
+[this forum thread](https://forum.unity.com/threads/feedback-wanted-shipping-sample-s-with-the-ml-agents-package.1073468/).
+
+
 Your opinion matters a great deal to us. Only by hearing your thoughts on the
 Unity ML-Agents Toolkit can we continue to improve and grow. Please take a few
 minutes to

docs/Getting-Started.md

@@ -28,10 +28,10 @@ Let's get started!
 If you haven't already, follow the [installation instructions](Installation.md).
 Afterwards, open the Unity Project that contains all the example environments:
 
-1. Launch Unity Hub
-1. On the Projects dialog, choose the **Add** option at the top of the window.
-1. Using the file dialog that opens, locate the `Project` folder within the
-   ML-Agents Toolkit and click **Open**.
+1. Open the Package Manager Window by navigating to `Window -> Package Manager`
+   in the menu.
+1. Navigate to the ML-Agents Package and click on it.
+1. Find the `3D Ball` sample and click `Import`.
 1. In the **Project** window, go to the
    `Assets/ML-Agents/Examples/3DBall/Scenes` folder and open the `3DBall` scene
    file.

docs/Installation.md

@@ -3,7 +3,8 @@
 The ML-Agents Toolkit contains several components:
 
 - Unity package ([`com.unity.ml-agents`](../com.unity.ml-agents/)) contains the
-  Unity C# SDK that will be integrated into your Unity scene.
+  Unity C# SDK that will be integrated into your Unity project.  This package contains
+  a sample to help you get started with ML-Agents.
 - Unity package
   ([`com.unity.ml-agents.extensions`](../com.unity.ml-agents.extensions/))
   contains experimental C#/Unity components that are not yet ready to be part
@@ -59,6 +60,9 @@ packages, but you may choose to clone the repository if you'd like download our
 example environments and training configurations to experiment with them (some
 of our tutorials / guides assume you have access to our example environments).
 
+**NOTE:** There are samples shipped with the Unity Package.  You only need to clone
+the repository if you would like to explore more examples.
+
 ```sh
 git clone --branch release_14 https://github.com/Unity-Technologies/ml-agents.git
 ```