Add Forgejo upload script and update documentation for package registry

README.md

@@ -69,6 +69,26 @@ Set the version and build the wheel in one step:
 & .\.venv\Scripts\python.exe .\scripts\build_wheel.py --version 0.1.1
 ```
 
+Upload the wheel to the Forgejo package registry:
+
+```powershell
+.\upload_wheel_to_forgejo_pypi.ps1
+```
+
+Force a rebuild before upload:
+
+```powershell
+.\upload_wheel_to_forgejo_pypi.ps1 -Build
+```
+
+Build a specific version and upload it:
+
+```powershell
+.\upload_wheel_to_forgejo_pypi.ps1 -Build -Version 0.1.1
+```
+
+Create `.pypirc` in the project root from `.pypirc.example` and fill in your Forgejo token before uploading.
+
 Create a client with your eBay credentials:
 
 ```python