Better Unity Social SDK project setup wording (discord#7602)

* Better project setup wording

* Update docs/discord-social-sdk/getting-started/using-unity.mdx

Co-authored-by: Mark Mandel <[email protected]>

---------

Co-authored-by: Mark Mandel <[email protected]>

Author: 2 people

docs/discord-social-sdk/getting-started/using-unity.mdx

@@ -51,8 +51,8 @@ Let's set up your Unity project to include the Social SDK package and add the ne
 
 1. Create a new 2D project in Unity Hub using Unity version 2021.3 or later
 2. Either:
-    1. Unzip the zip file in the `Packages` folder, or
-    2. Unzip the zip file to a temporary location, and [Install Package from Disk](https://docs.unity3d.com/Manual/upm-ui-local.html) from the temporary location.
+    1. Unzip the zip file in the Unity `Packages` folder, or
+    2. Unzip the zip file and [Install Package from Disk](https://docs.unity3d.com/Manual/upm-ui-local.html). Make sure the folder is in a directory that won't get moved or deleted as your Unity project will load it from that location.
 3. In your project add a `Scripts` folder and create a `DiscordManager.cs` script
 4. Add the following code to `DiscordManager.cs`:
 ```cs