fix nvim-lint, other fixes

lua/general.lua

@@ -1,7 +1,6 @@
 local function open_nvim_tree()
-
-  -- open the tree
-  require("nvim-tree.api").tree.open()
+    -- open the tree
+    require("nvim-tree.api").tree.open()
 end
 
 -- Functional wrapper for mapping custom keybindings
@@ -36,9 +35,11 @@ vim.opt.number = true
 vim.opt.clipboard = "unnamedplus" -- synchronize with system clipboard
 vim.opt.swapfile = false
 vim.opt.cursorline = true
+vim.opt.tabstop = 4 -- number of columns occupied by a tab
+vim.opt.softtabstop = 4 -- see multiple spaces as tabstops so <BS> does the right thing
+vim.opt.expandtab = true -- converts tabs to white space
+vim.opt.shiftwidth = 4 -- width for autoindents
 vim.cmd [[
     highlight clear
     colorscheme dracula
-    TSEnable highlight
 ]]
-