Summary: Added THC Aged Care partner portal

Why It Matters: This shows a new partner relationship.

What Changed:

• Added a link for "THC Aged Care" to the partner portals list.
• The new link is http://thc.aidacare.com.au/.
• The copyright year changed from 2025 to 2025.
• A link to a "Modern Slavery Statement (pdf)" was added.