Update indent blankline plugin configuration

home-manager/cli/neovim/default.nix

@@ -65,7 +65,15 @@ in
         type = "lua";
         config = (builtins.readFile ./files/luasnip.lua);
       }
-      indent-blankline-nvim
+      {
+        plugin = indent-blankline-nvim;
+        type = "lua";
+        config =''
+          require("ibl").setup{
+            indent = { char = "│"},
+          }
+        '';
+      }
       {
         plugin = nvim-lspconfig;
         type = "lua";

home-manager/cli/neovim/files/options.lua

@@ -15,8 +15,16 @@ vim.opt.hlsearch = true 	            -- search: hightlight terms
 vim.opt.ignorecase = true
 vim.opt.incsearch = true
 vim.opt.laststatus = 1
+
 -- show special character
-vim.opt.listchars = {tab = '→ ', trail = '␣', eol = '', extends = '…' }
+vim.opt.listchars = {
+    tab = '→ ',
+    trail = '␣',
+    space = '·',
+    eol = '',
+    extends = '…',
+    precedes = "<"
+}
 
 vim.opt.signcolumn = "yes"              -- alway show sign column
 vim.opt.number = true