feat nvim: listchars & o-plugin framework

dot_config/nvim/lua/o-plugins/nvim-listchars.lua

@@ -0,0 +1,20 @@
+return {
+  {
+    "fraso-dev/nvim-listchars",
+    opts = true,
+    event = "BufEnter",
+    config = function()
+      require("nvim-listchars").setup({
+        save_state = true,      -- If enabled, save toggled state in a cache file. Will overwrite current `vim.opt.list` value.
+        listchars = {           -- `listchars` to be displayed. See available options by running `:help listchars`
+          tab = "> ",
+          trail = "-",
+          nbsp = "+",
+        },
+        notifications = true,   -- Enable or disable listchars notifications
+        exclude_filetypes = {}, -- List of filetypes where `listchars` is disabled
+        lighten_step = 5,       -- Amount to add/remove from base color
+      })
+    end,
+  }
+}