[nvim] fix: lsp installation dir variable

this is now a global variable

.config/nvim/lua/plugin/lsp/clangd.lua

@@ -6,8 +6,7 @@
 
 local M = {}
 
-local lsp_root_path = vim.fn.stdpath("data") .. "/lsp_servers/"
-local clangd_binary = lsp_root_path .. "clangd/clangd/bin/clangd"
+local clangd_binary = _G.lsp_root_dir .. "clangd/clangd/bin/clangd"
 
 M.setup = function(opts)
     opts.settings = {

.config/nvim/lua/plugin/lsp/init.lua

@@ -70,6 +70,8 @@ mason.setup({
     }
 })
 
+_G.lsp_root_dir = vim.fn.stdpath("data") .. "/mason/bin"
+
 mason_lspconfig.setup({
     ensure_installed = servers,
 })