Response parameter updates in Merchants, Stores, and Transactions APIs

Added terminalType and osType fields to the response parameters of the Fetch All Merchant Terminals API and Fetch All Store Terminals API.

🔧 Updates

Added terminalType and osType fields to the response parameters of the Fetch All Merchant Terminals API and Fetch All Store Terminals API.
The terminalType field returns the type of the terminal.
The osType field returns the type of operating system running on the terminal.
Added storeId field to the response parameters of the Fetch All Transactions API.