feat(cli): add bundled health app scaffold and init command

- ship OpenAPI-first health check template as package data
- add CLI to copy scaffold into new project directories
- include OpenAPI spec, routes, and bootstrap example
- enable fast startup for OpenAPI-first services

pyproject.toml

@@ -54,6 +54,8 @@ dependencies = [
     "pyyaml>=6.0.1",
 ]
 
+[project.scripts]
+openapi-first = "openapi_first.cli:main"
 
 [project.optional-dependencies]
 dev = [
@@ -81,6 +83,9 @@ Versions = "https://git.aetoskia.com/aetos/openapi-first/tags"
 [tool.setuptools]
 packages = { find = { include = ["openapi_first*"] } }
 
+[tool.setuptools.package-data]
+fastapi_openapi_first = ["templates/**/*"]
+
 
 [tool.ruff]
 line-length = 100