====== Getting Rail Details (POST) ======
Get details about a rail, such as the rail shape and speed limits.

[[https://github.com/Minecraft-Transit-Railway/Transport-Simulation-Core/blob/master/buildSrc/src/main/resources/schema/operation/railsRequest.json|Schema Reference]]
===== Example Endpoint =====
  http://localhost:8888/mtr/api/operation/rails?dimension=0
===== Example Request Body =====
<code javascript>
{
    "railIds": [
        "FFFFFFFFFFFFFF37-FFFFFFFFFFFFFFC4-0000000000000163-FFFFFFFFFFFFFF3A-FFFFFFFFFFFFFFC4-0000000000000164"
    ]
}
</code>