Updated footer to display current year dynamically

[Ghrf6]

Summary

• Replaced the hardcoded footer copyright year with a dynamic value.
• Added a currentYear property in FooterComponent.
• Ensures the displayed year stays accurate automatically every new year without manual updates.

Why

• Prevents stale copyright dates.
• Reduces future maintenance for a simple but recurring update.

Test Plan

• Run the app locally.
• Verify the footer shows the current calendar year.