Support for references and renames

[j-xella]

I am not a specialist in LSP internals, so apologies if I use incorrect terminology. I am trying to use PerlNavigator with neovim on linux.

Perl Navigator: 0.8.16 , linux build downloaded directly from GitHub
Neovim: recent version, built locally from sources, NVIM v0.11.0-dev-1701+g38a52caec0

neovim lspconfig with lazy:

      lspcfg.perlnavigator.setup {
        cmd = { "/path/to/perlnavigator" }
      }

In general, PN works, but the following functionality is not available:

• vim.lsp.buf.references() - to locate all the references of the symbol under cursor
• vim.lsp.buf.rename() - to rename all the references of the symbol under cursor

Other language servers that I use, for example clangd provide this functionality.