Enhance installApp function with heartbeat and installer

Added heartbeat management and installer creation for app installation.

Author: NovaDev404

Sources/prostore/install/installApp.swift

@@ -3,4 +3,14 @@ import Foundation
 public func installApp(from ipaURL: URL) throws {
     print("Installing app from \(ipaURL.path)...")
 
+    // Heartbeat
+    HeartbeatManager.shared.start()
+
+    // Create installer
+    let viewModel = InstallerStatusViewModel()
+    let installer = InstallationProxy(viewModel: viewModel)
+
+    // Install IPA
+    try await installer.install(at: ipaURL)
 }
+