Add fold capa / remove ondarker plugin / add correct jdtls support

nvim/lua/options.lua

@@ -6,3 +6,19 @@ require "nvchad.options"
 -- o.cursorlineopt ='both' -- to enable cursorline!
 
 vim.lsp.inlay_hint.enable(true)
+
+vim.o.foldcolumn = '0' -- '0' is not bad
+vim.o.foldlevel = 99   -- Using ufo provider need a large value, feel free to decrease the value
+vim.o.foldlevelstart = 99
+vim.o.foldenable = true
+vim.opt.fillchars = {
+  vert = "▕", -- alternatives │
+  fold = " ",
+  eob = " ", -- suppress ~ at EndOfBuffer
+  diff = "╱", -- alternatives = ⣿ ░ ─
+  msgsep = "‾",
+  foldopen = "",
+  foldsep = "│",
+  foldclose = "",
+}
+