Add vendor.tau2 policy.md files to package data

Author: xzrderek

pyproject.toml

@@ -147,6 +147,7 @@ include = ["eval_protocol*", "development*", "vendor*"]
 "eval_protocol" = ["../vite-app/dist/**/*"]
 "eval_protocol.mcp_servers.tau2" = ["*.md", "tests/system_prompts/*.md"]
 "eval_protocol.benchmarks" = ["data/*.jsonl"]
+"vendor.tau2" = ["data/domains/*/policy.md"]
 
 
 [tool.versioneer]