add 'from ndjson' into standard library (#10283)

close #8574
related #10276 
# Description

added below into standard library
```
def "from ndjson" []: string -> any {
    from json --objects
}
```

# User-Facing Changes


Users can use functions like "from ndjson" in standard library, and can
open ndjson files with `open` command.
```
use std formats *
# `from ndjson` is available now
open sample.ndjson
```

# Tests + Formatting

`toolkit check pr`

- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`


# After Submitting

---------

Co-authored-by: Stefan Holderbach <sholderbach@users.noreply.github.com>

crates/nu-std/src/lib.rs

@@ -28,6 +28,7 @@ pub fn load_standard_library(
             ("xml.nu", include_str!("../std/xml.nu")),
             ("input.nu", include_str!("../std/input.nu")),
             ("math.nu", include_str!("../std/math.nu")),
+            ("formats.nu", include_str!("../std/formats.nu")),
         ];
 
         let mut working_set = StateWorkingSet::new(engine_state);