Update .env.example

Author: michelroegl-brunner

.env.example

@@ -1,6 +1,7 @@
 # When adding additional environment variables, the schema in "/src/env.js"
 # should be updated accordingly.
 
+ORIGINAL_REPO_URL="https://github.com/michelroegl-brunner/PVEScriptslocal"
 REPO_URL="https://github.com/community-scripts/ProxmoxVE"
 REPO_BRANCH="main"
 SCRIPTS_DIRECTORY="scripts"