feat: add c++ and golang support

[xinconan]

add aliases of cpp(c++) and go(golang) support

• Add a test if possible
• Format all commit messages with Conventional Commits

• This PR fixes #

• I have read docs for adding a theme.

• I have read docs for adding a language.
• I have searched around and this is the most up-to-date, actively maintained version of the language grammar.
• I have added a sample file that includes a variety of language syntaxes and succinctly captures the idiosyncrasy of a language. See docs for requirement.

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[octref]

Thanks for your contribution!