enable lsp clang server and stuff

init.lua

@@ -685,16 +685,16 @@ do
   --  See `:help lsp-config` for information about keys and how to configure
   ---@type table<string, vim.lsp.Config>
   local servers = {
-    -- clangd = {},
+     clangd = {},
-    -- gopls = {},
+     gopls = {},
-    -- pyright = {},
+     pyright = {},
-    -- rust_analyzer = {},
+     rust_analyzer = {},
     --
     -- Some languages (like typescript) have entire language plugins that can be useful:
     --    https://github.com/pmizio/typescript-tools.nvim
     --
     -- But for many setups, the LSP (`ts_ls`) will work just fine
-    -- ts_ls = {},
+    ts_ls = {},
 
     stylua = {}, -- Used to format Lua code
 
@@ -913,8 +913,8 @@ do
 
     -- Enable treesitter based folds
     -- For more info on folds see `:help folds`
-    -- vim.wo.foldexpr = 'v:lua.vim.treesitter.foldexpr()'
+     vim.wo.foldexpr = 'v:lua.vim.treesitter.foldexpr()'
-    -- vim.wo.foldmethod = 'expr'
+     vim.wo.foldmethod = 'indent'
 
     -- Check if treesitter indentation is available for this language, and if so enable it
     -- in case there is no indent query, the indentexpr will fallback to the vim's built in one