Create version endpoint

[ramisback]

Schema for version endpoint

{
    "app_name": "cpp-blog-api",
    "version": "0.1.0",
    "release_date": "2023-10-07",
    "build": {
        "number": 456,
        "git_commit_hash": "0.1.0",
        "timestamp": "2023-10-07T12:34:56Z",
        "environment": "production"
    }
}