feat: issue #25 implemented - cli

lib/bds/settings.ex

@@ -3,10 +3,17 @@ defmodule BDS.Settings do
   Persistence layer for global application settings stored as key-value pairs in the database.
   """
 
+  import Ecto.Query, only: [from: 2]
+
   alias BDS.Persistence
   alias BDS.Repo
   alias BDS.Settings.Setting
 
+  @spec list_global_settings() :: [{String.t(), String.t()}]
+  def list_global_settings do
+    Repo.all(from setting in Setting, order_by: setting.key, select: {setting.key, setting.value})
+  end
+
   @spec get_global_setting(String.t()) :: String.t() | nil
   def get_global_setting(key) do
     case Repo.get(Setting, key) do