refactor(nvim): move plugin config to the

... `after/plugin` directory

roles/neovim/files/after/plugin/indent-blankline.lua

@@ -0,0 +1,18 @@
+local status_ok, indent_blankline = pcall(require, "indent_blankline")
+if not status_ok then
+  return
+end
+
+vim.opt.list = true
+vim.opt.listchars = {
+  eol = "↴",
+}
+
+vim.cmd [[highlight IndentBlanklineIndent1 guifg=#555555 gui=nocombine]]
+
+indent_blankline.setup {
+  char_highlight_list = {
+    "IndentBlanklineIndent1",
+  },
+  show_end_of_line = true,
+}