OpenRIMS-PVM - Upgrade Chapter 1

New versions will be released on GitHub: https://github.com/msh/openrims-pvm

To upgrade to the latest version you must follow these steps:

1. Backup the database
2. Stop the service
3. Copy APP and API folders to a backup destination
4. With that in place you can now:
   1. Download the new APP and API files
   2. Extract
   3. Copy to the web server folder; typically /var/www/html/api and /var/www/html/app

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