Made sidebar item collection extendable via interface. Refactored settings to system

Moonlight.Frontend/Implementations/SidebarProvider.cs

@@ -0,0 +1,49 @@
+using LucideBlazor;
+using Moonlight.Frontend.Interfaces;
+using Moonlight.Frontend.Models;
+
+namespace Moonlight.Frontend.Implementations;
+
+public sealed class SidebarProvider : ISidebarProvider
+{
+    public Task<SidebarItem[]> GetItemsAsync()
+    {
+        return Task.FromResult<SidebarItem[]>([
+            new()
+            {
+                Name = "Overview",
+                IconType = typeof(LayoutDashboardIcon),
+                Path = "/",
+                IsExactPath = true,
+                Order = 0
+            },
+            new()
+            {
+                Name = "Overview",
+                IconType = typeof(LayoutDashboardIcon),
+                Path = "/admin",
+                IsExactPath = true,
+                Group = "Admin",
+                Order = 0
+            },
+            new()
+            {
+                Name = "Users",
+                IconType = typeof(UsersRoundIcon),
+                Path = "/users",
+                IsExactPath = false,
+                Group = "Admin",
+                Order = 10
+            },
+            new()
+            {
+                Name = "System",
+                IconType = typeof(SettingsIcon),
+                Path = "/admin/system",
+                IsExactPath = false,
+                Group = "Admin",
+                Order = 20
+            }
+        ]);
+    }
+}