(docs) add RVT Script to SUPPORTED_LANGUAGES (#3666)

Author: Sopitive

CHANGES.md

@@ -5,6 +5,7 @@ New Grammars:
 - added 3rd party LookML grammar to SUPPORTED_LANGUAGES [Josh Temple][]
 - added 3rd party FunC grammar to SUPPORTED_LANGUAGES [Nikita Sobolev][]
 - Added 3rd party Flix grammar to SUPPORTED_LANGUAGES [The Flix Organisation][]
+- Added 3rd party RVT grammar to SUPPORTED_LANGUAGES [Sopitive][]
 
 Grammars:
 - enh(scheme) add `scm` alias for Scheme [matyklug18][]
@@ -34,6 +35,7 @@ Improvements:
 [MBoegers]: https://github.com/MBoegers
 [Lachlan Heywood]: https://github.com/lachieh
 [Eddymens]: https://github.com/eddymens
+[Sopitive]: https://github.com/Sopitive
 
 ## Version 11.6.0
 

SUPPORTED_LANGUAGES.md

@@ -184,6 +184,7 @@ The table below shows the full list of languages (and corresponding classes/alia
 | RPM spec files          | rpm-specfile, rpm, spec, rpm-spec, specfile | [highlightjs-rpm-specfile](https://github.com/highlightjs/highlightjs-rpm-specfile) |
 | Ruby                    | ruby, rb, gemspec, podspec, thor, irb | |
 | Rust                    | rust, rs               |         |
+| RVT Script              | rvt, rvt-script        | [highlightjs-rvt-script](https://github.com/Sopitive/highlightjs-rvt-script) |
 | SAS                     | SAS, sas               |         |
 | SCSS                    | scss                   |         |
 | SQL                     | sql                    |         |