Add read-only Buzz client entrypoint

Expose the existing stdio server to a dedicated Buzz agent without granting mutation tools or leaking unrelated runtime credentials. Document the verified Hermes and Buzz client paths.

Co-authored-by: fredamn76 <fredrik.fallman@gmail.com>
Signed-off-by: fredamn76 <fredrik.fallman@gmail.com>

pyproject.toml

@@ -10,6 +10,7 @@ dev = ["pytest>=8.0"]
 
 [project.scripts]
 mealie-mcp = "mealie_mcp.server:main"
+mealie-mcp-read-only = "mealie_mcp.server:main_read_only"
 
 [build-system]
 requires = ["hatchling"]