Rename VPS project paths away from raspi

deploy/vps/.env.example

@@ -1,11 +1,12 @@
 # VPS-only deployment config
 # FastPanel sites/domains are created manually in FastPanel UI.
 
-PROJECT_ROOT=/opt/raspi-chat
-SOURCE_PATH=/opt/raspi-chat/source
-DATA_PATH=/opt/raspi-chat/data
-LOGS_PATH=/opt/raspi-chat/logs
-BACKUPS_PATH=/opt/raspi-chat/backups
+PROJECT_ROOT=/opt/vps-chat
+SOURCE_PATH=/opt/vps-chat/source
+DATA_PATH=/opt/vps-chat/data
+LOGS_PATH=/opt/vps-chat/logs
+BACKUPS_PATH=/opt/vps-chat/backups
+UPDATES_PATH=/opt/vps-chat/updates
 
 ADMIN_WEBROOT=/var/www/example_user/data/www/admin.example.ru
 WIDGET_WEBROOT=/var/www/example_user/data/www/widget.example.ru
@@ -16,5 +17,5 @@ PUBLIC_API_URL=https://api.example.ru
 PUBLIC_WS_URL=wss://api.example.ru/ws
 
 FASTPANEL_SAFE_MODE=true
-PM2_PROCESS_NAME=raspi-chat-backend
+PM2_PROCESS_NAME=vps-chat-backend
 NODE_MAJOR=20