Merge pull request #1 from NoTaskStudios/release/v1

docs: Add permissions section to run action

Author: MtMath

README.md

@@ -22,6 +22,12 @@ Upmizer automates the process of preparing Unity packages for distribution via t
 | `samples_root` | Path to your samples directory                                   | No       | `Samples` |
 | `github_token` | GitHub authentication token with repo permissions                | Yes      | -         |
 
+## Permissions
+
+The action requires the following permissions to function correctly:
+
+- `contents: write` - To create and push the UPM branch
+
 ## Usage
 
 ```yaml
@@ -34,7 +40,6 @@ Upmizer automates the process of preparing Unity packages for distribution via t
     # Required, path to your package's root directory
     package_root: "Assets/MyPackage"
 
-
     # Default: Samples
     samples_root: "Assets/MyPackage/Samples"