FreeBSD LuaSnip build function compatibility (use command gmake if available)

lua/plugins/nvim-cmp.lua

@@ -12,6 +12,12 @@ return { -- Autocompletion
         if vim.fn.has 'win32' == 1 or vim.fn.executable 'make' == 0 then
           return
         end
+
+        -- Compatibility check for *BSD/Linux
+        if vim.fn.executable 'gmake' then
+          return 'gmake install_jsregexp'
+        end
+
         return 'make install_jsregexp'
       end)(),
       dependencies = {