[chore:] initial article store implementation for Settings.cs

Settings.cs

@@ -10,6 +10,7 @@ public class Settings
     public static Settings _instance = new();
     public AddressSets addressSets = new();
     public Customers customers = new();
+    public ArticleStore articles = new ArticleStore();
 
     public string settingsPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
         "logofclient", "config.json");
@@ -62,6 +63,7 @@ public class Global
     }
 
     public string config_path { get; set; } = "";
+    public string wiki_storage_path { get; set; } = "";
     public List<Country> countries { get; set; } = new();
 
     public static void Save()
@@ -181,4 +183,10 @@ public class Country
 
         return null;
     }
+}
+
+public class ArticleStore
+{
+    // Placeholder for article metadata; actual content is stored as markdown files
+    public List<string> articles { get; set; } = new List<string>();
 }