Add PowerShell cmdlets and update project structure

Examples/NotificationWithButtons.ps1

@@ -1,58 +1,27 @@
 # Example: Notification with Buttons
 # This script demonstrates how to show a notification with buttons
 
-# Load the WindowsNotifications assembly
-$dllPath = Join-Path -Path $PSScriptRoot -ChildPath "..\WindowsNotifications\bin\Release\WindowsNotifications.dll"
-if (Test-Path $dllPath) {
-    $bytes = [System.IO.File]::ReadAllBytes($dllPath)
-    $assembly = [System.Reflection.Assembly]::Load($bytes)
-}
-else {
-    Write-Error "WindowsNotifications.dll not found at $dllPath. Please build the solution first."
-    exit
-}
+# Import the module
+$modulePath = Join-Path -Path $PSScriptRoot -ChildPath "..\PowerShell\WindowsNotifications.psd1"
+Import-Module $modulePath -Force
 
-# Create a notification manager
-$notificationManager = New-Object WindowsNotifications.NotificationManager
+# Initialize the notification system
+$dllPath = Join-Path -Path $PSScriptRoot -ChildPath "..\WindowsNotifications\bin\Release\WindowsNotifications.dll"
+Initialize-WindowsNotifications -DllPath $dllPath
 
 # Show a notification with buttons
-Write-Host "Showing notification with buttons..."
-$result = $notificationManager.ShowNotificationWithButtons(
-    "Action Required", 
-    "Please select an option below:",
-    "Approve",
-    "Reject",
-    "Defer"
-)
+$result = Show-Notification -Title "Action Required" -Message "Please select an option:" -Buttons "Approve", "Reject", "Defer"
 
 # Display the result
 Write-Host "Notification displayed: $($result.Displayed)"
 Write-Host "Notification ID: $($result.NotificationId)"
 
-# If the notification was displayed, wait for interaction
-if ($result.Displayed) {
-    Write-Host "Waiting for user interaction..."
-    $result = $notificationManager.WaitForNotification($result.NotificationId)
-    
-    if ($result -ne $null) {
-        Write-Host "Notification was activated: $($result.Activated)"
-        Write-Host "Notification was dismissed: $($result.Dismissed)"
-        
-        if ($result.ClickedButtonId) {
-            Write-Host "Button clicked: $($result.ClickedButtonText) (ID: $($result.ClickedButtonId))"
-            
-            # Take action based on which button was clicked
-            switch ($result.ClickedButtonText) {
-                "Approve" {
-                    Write-Host "User approved the action"
-                }
-                "Reject" {
-                    Write-Host "User rejected the action"
-                }
-                "Defer" {
-                    Write-Host "User deferred the action"
-                }
-            }
-        }
+# If the notification was interacted with, show the details
+if ($result.Activated) {
+    Write-Host "Notification was activated"
+    if ($result.ClickedButtonId) {
+        Write-Host "Button clicked: $($result.ClickedButtonText) (ID: $($result.ClickedButtonId))"
     }
+} elseif ($result.Dismissed) {
+    Write-Host "Notification was dismissed"
 }