Add feedback mechanism and rename known issue section

Author: liamjberrisford

cfrr_program_details/accessibility.ipynb

@@ -13,14 +13,21 @@
     "\n",
     "This website is partially compliant with the Web Content Accessibility Guidelines version 2.2 AA standard, due to the non-compliances listed below.\n",
     "\n",
-    "This statement was prepared on 6th August 2025. The statement was last reviewed on 6th August 2025.\n",
+    "To notify us of any accessibility compliance failures or to request information or content excluded from the scope of the Directive, please use one of the following methods:\n",
+    "- **GitHub issue**: [Submit an issue](https://github.com/coding-for-reproducible-research/CfRR_Courses/issues/new)  \n",
+    "  Please include the URL of the page where you encountered the issue and a brief description.\n",
+    "- **Email**: [email protected]\n",
+    "\n",
+    "All enquiries and requests sent through the feedback mechanism will be handled by the Coding for Reproducible Research team. Responses are typically provided within --Agree upon number here-- working days.\n",
+    "\n",
+    "This statement was prepared on 6th August 2025. The statement was last reviewed on 8th August 2025.\n",
     "\n",
     "The [Equality and Human Rights Commission (EHRC)](https://www.equalityhumanrights.com/) is responsible for enforcing the Public Sector Bodies (Websites and Mobile Applications) (No. 2) Accessibility Regulations 2018 (the ‘accessibility regulations’).\n",
     "\n",
     "If you’re not happy with how we respond to your complaint, contact the [Equality Advisory and Support Service (EASS)](https://www.equalityadvisoryservice.com/).\n",
     "\n",
     "```{important}\n",
-    "## Known Accessibility Issues\n",
+    "## Non-Accessible Content\n",
     "\n",
     "### 1. Tables Generated from R\n",
     "\n",