Restore accidentally removed files, a few additional import/calculation fixes

inventory-server/chat/update-config-template.env

@@ -0,0 +1,26 @@
+# Chat Server Database Configuration Template
+# Copy this to your .env file and update the values for your new server
+
+# Database Configuration for New Server
+CHAT_DB_HOST=your-new-server-ip-or-hostname
+CHAT_DB_PORT=5432
+CHAT_DB_NAME=rocketchat_converted
+CHAT_DB_USER=rocketchat_user
+CHAT_DB_PASSWORD=your-secure-password
+
+# Chat Server Port
+CHAT_PORT=3014
+
+# Example configuration:
+# CHAT_DB_HOST=192.168.1.100
+# CHAT_DB_PORT=5432
+# CHAT_DB_NAME=rocketchat_converted
+# CHAT_DB_USER=rocketchat_user
+# CHAT_DB_PASSWORD=MySecureP@ssw0rd123
+
+# Notes:
+# - Replace 'your-new-server-ip-or-hostname' with actual server address
+# - Use a strong password for CHAT_DB_PASSWORD
+# - Ensure the new server allows connections from your application server
+# - Update any firewall rules to allow PostgreSQL connections (port 5432)
+# - Test connectivity before updating production configuration