Unity build task docs updated

Author: FejZa

docs/02-tasks/02-unity-setup-task.md

@@ -13,7 +13,7 @@ Another purpose of this task is to activate a license / seat on the agent, shoul
 ## Syntax
 
 ```yaml
-# Unity Setup V2
+# Unity Setup Task V2
 # Install Unity editor with Android module
 - task: UnitySetupTask@2
   inputs:

docs/02-tasks/03-unity-activate-license-task.md

@@ -15,7 +15,7 @@ This task is used to activate a Untiy Plus/Pro license on the executing agent ma
 ## Syntax
 
 ```yaml
-# Unity Activate License V1
+# Unity Activate License Task V1
 # Activate editor using a Unity seat
 - task: UnityActivateLicenseTask@1
   inputs: