Add initial project structure with basic view models, views, and resources

CryptoPortfolio Tracker/Views/LoginView.axaml.cs

@@ -0,0 +1,14 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace CryptoPortfolio_Tracker.Views
+{
+    public partial class LoginView : ContentPage
+    {
+        public LoginView()
+        {
+            InitializeComponent();
+        }
+    }
+}