Create README.md

Author: NavyasreeBolleboyana

Server-Side Components/Script Includes/DepartmentFilter/README.md

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+# Department Filter – Show Only Users from Same Department
+
+This Script Include is configured to filter users based on the department of the currently logged-in user.
+
+It can be used in a **Reference Qualifier** to ensure that the Caller (or any user reference field) displays only users belonging to the same department as the logged-in user.
+
+### 📘 Table
+- `sys_user` (to fetch users)
+- Used for reference fields such as `caller_id` in `incident`
+
+### ⚙️ Script Include Overview
+- Name: `getSameDeptUsers`
+- Function: `getSameDept()`
+- Logic: Fetches all users whose `department` matches that of the current logged-in user.
+
+### 🧩 Example Usage (Reference Qualifier Script)
+```javascript
+javascript:new getSameDeptUsers().getSameDept();