JS: Add Nest.js to list of supported framworks

Author: asgerf

docs/codeql/support/reusables/frameworks.rst

@@ -128,6 +128,7 @@ JavaScript and TypeScript built-in support
    mssql, Database
    mysql, Database
    node, Runtime environment
+   nest.js, Server
    postgres, Database
    ramda, Utility library
    react, HTML framework