CCM-13191: Root Level AgentsMD

Author: jamesthompson26-nhs

.gitleaksignore

@@ -17,4 +17,4 @@ b1f85a7faf54eaf66074d7a6daa093aefe6b3ebe:sdk/python/pyproject.toml:ipv4:25
 d8aaf7e033bf78fff491caa148897be266b60f67:src/src.sln:ipv4:3
 e12407e09151898bfd8d049d57eee9db9977d56b:.github/copilot-instructions.md:generic-api-key:213
 4ad86108d4e08cd410061e8842dd3a2b3bee4867:scripts/JWT/README.md:generic-api-key:38
-504844c9838740c8c5235024919f0775ad817cde:pact-contracts/pacts/letter-rendering/supplier-api-letter-request-prepared.json:generic-api-key:10
+504844c9838740c8c5235024919f0775ad817cde:pact-contracts/pacts/letter-rendering/supplier-api-letter-request-prepared.json:generic-api-key:10