- update README

Signed-off-by: SSE4 <[email protected]>

README.md

@@ -24,6 +24,22 @@ If you handle multiple dependencies in your project is better to add a *conan.co
     conan-center
 ```
 
+### [GitHub Update](plugins/github-updater.py)
+
+This Conan hook reads your recipe and updates its GitHub repository properties using the attributes.
+
+The following attributes are updated:
+
+- homepage
+
+- description
+
+- topics
+
+It's necessary to pass GitHub token by environment variable: *GITHUB_TOKEN*.
+
+The hook is automatically called when *export* command is executed.
+
 ## License
 
 [MIT License](LICENSE)