Removed chadtree, fixed and added integrations with cmp

I felt that chadtree was bloated

.config/nvim/lua/lsp.lua

@@ -1,6 +1,7 @@
 local M = {}
 
 M.signature = function() ---- lsp_signature >>>
+   require "lsp_signature".setup()
    cfg = {
       Gse_lspsaga = true
    }
@@ -26,7 +27,7 @@ M.lspinstall = function() ---- lspinstall >>>
 end
 -- <<<
 
-M.treesitter = function () ---- treesitter >>>
+M.treesitter = function() ---- treesitter >>>
    require('nvim-treesitter.configs').setup {
       highlight = {
          enable = true, -- false will disable the whole extension
@@ -145,6 +146,7 @@ M.cmp = function() ---- cmp >>>
          { name = 'calc' },
          { name = 'vsnip' },
          { name = 'nvim_lsp' },
+         { name = 'nvim_lua' },
          { name = 'spell' },
          { name = 'treesitter' },
          { name = 'emoji' },
@@ -207,7 +209,7 @@ M.lspconfig = function() ---- lspconfig >>>
 
    -- Use a loop to conveniently call 'setup' on multiple servers and
    -- map buffer local keybindings when the language server attaches
-   local servers = { 'clangd', 'bash' }
+   local servers = { 'clangd', }
    for _, lsp in ipairs(servers) do
       nvim_lsp[lsp].setup {
          on_attach = on_attach,