feat: add basic function signature help (nvim-lua#1358)

* feat: add basic function signature help

* Update init.lua

Co-authored-by: makeworld <25111343+makew0rld@users.noreply.github.com>

---------

Co-authored-by: makeworld <25111343+makew0rld@users.noreply.github.com>
Signed-off-by: Dejan Ribič <dejan.ribic@gmail.com>

Author: 2 people

init.lua

@@ -797,6 +797,8 @@ require('lazy').setup({
       --  into multiple repos for maintenance purposes.
       'hrsh7th/cmp-nvim-lsp',
       'hrsh7th/cmp-path',
+      'hrsh7th/cmp-path',
+      'htsh7th/cmp-nvim-lsp-signature-help',
     },
     config = function()
       -- See `:help cmp`
@@ -873,6 +875,7 @@ require('lazy').setup({
           { name = 'nvim_lsp' },
           { name = 'luasnip' },
           { name = 'path' },
+          { name = 'nvim_lsp_signature_help' },
         },
       }
     end,