[FEATURE] UTF-16 encode function

[KGorbakon]

Describe your feature request

A new function for utf-16 text encoding

Describe the use case of the feature

Thi function might be useful for cases when web server acceps data only in utf-16 format. For example, CVE-2024-43468.

Describe alternatives you've considered

No response

Additional context

In raw http view mode there is no difference between the same text in utf-8 and utf-16, but if you switch to hex mode you will see the difference:

"string" in UTF-8 raw http data
73 65 61 72 63 68

"string" in UTF-16 raw http data
73 00 65 00 61 00 72 00 63 00 68 00

[GeorginaReeder]

Thanks so much for your feature request @KGorbakon , we'll take a look into this!