adding functionalities on the buffer

lua/ideaDrop/features/list.lua

@@ -0,0 +1,30 @@
+-- ideaDrop/features/list.lua
+local config = require("ideaDrop.core.config")
+local sidebar = require("ideaDrop.ui.sidebar")
+
+---@class List
+---@field list_all fun(): nil
+local M = {}
+
+---Lists all idea files and allows user to select one to open
+---@return nil
+function M.list_all()
+  local path = config.options.idea_dir
+  -- Find all .md files recursively
+  local files = vim.fn.glob(path .. "**/*.md", false, true)
+
+  if #files == 0 then
+    vim.notify("📂 No idea files found", vim.log.levels.INFO)
+    return
+  end
+
+  -- Present file selection UI
+  vim.ui.select(files, { prompt = "📂 Select an idea file to open:" }, function(choice)
+    if choice then
+      sidebar.open(choice) -- Open the selected file in sidebar
+    end
+  end)
+end
+
+return M
+