Adds a new Employee State Insurance report for Indian payroll, showing employee and employer contributions for a selected month or period. This helps payroll teams review ESIC contribution details per employee and export them to Excel for easier compliance and reporting.

This PR adds a new ESI (Employee State Insurance) report that details the amounts contributed by employees and employers to the ESIC during a given month/period. It generates an xlsx file containing ESI details for each employee.

task-4011111