Update and rename README.md to README.md

Author: zakir8992

Client-Side Components/Client Scripts/Display Incident Count of Assigned-To User When Field Changes/README.md

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+## Display Info-Message of Incident Count of Assigned-to User when field Assigned-To changes
+
+Displays a message showing the count number of **incidents** for assigned-to member whenever the **Assigned To** field changes on the Incident form  
+- Helps assess the assignee’s **current workload** by fetching and displaying active incident counts (excluding *Resolved*, *Closed*, and *Canceled* states).  
+- Shows a **info message** with count of assignee's assigned incidents.
+- Uses an onChange Client Script with GlideAjax to show an info message when the Assigned To field changes
+  ---
+