Add a code example to RBXScriptConnection (#895)

## Changes

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Added a code example for using RBXScriptConnection 

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reports, etc.). -->

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---------

Author: WalkQuackBack

content/en-us/reference/engine/datatypes/RBXScriptConnection.yaml

@@ -3,10 +3,21 @@ type: datatype
 summary: |
   A connection between an `Datatype.RBXScriptSignal` and a function.
 description: |
-  The `Datatype.RBXScriptConnection` data type, also known as a Connection, is a
-  special object returned by the Connect method of an Event
+  The `RBXScriptConnection` data type is a special object returned by the
+  `Datatype.RBXScriptSignal:Connect()|Connect()` method of an event
   (`Datatype.RBXScriptSignal`). This is used primarily to disconnect a listener
   from an `Datatype.RBXScriptSignal`.
+  
+  ```lua
+  local part : BasePart = script.Parent
+  -- Store reference to the RBXScriptConnection so it can be disconnected later
+  local connection : RBXScriptConnection = part.Touched:Connect(function(otherPart)
+      print("Hello world!")
+  end)
+  -- Wait 15 seconds, then disconnect
+  task.wait(15)
+  connection:Disconnect()
+  ```
 code_samples:
 tags: []
 deprecation_message: ''
@@ -18,8 +29,8 @@ properties:
     summary: |
       The state of the RBXScriptConnection.
     description: |
-      Describes whether or not the connection is still alive. This becomes false
-      if `connection:Disconnect()` is called.
+      Describes whether or not the connection is still alive. This becomes `false`
+      if `Datatype.RBXScriptConnection:Disconnect()|Disconnect()` is called.
     code_samples: []
     tags: []
     deprecation_message: ''