Converts toml data into table. Use this when nushell cannot dertermine the input file extension.
## Example
Let's say we have the following Rust .lock file :
```shell
> open Cargo.lock
# This file is automatically @generated by Cargo.
# It is not intended for manual editing. [[package]] name = "adler32" version = "1.0.3" source = "registry+https://github.com/rust-lang/crates.io-index"