add notifcaiton support with unmount button

app/src/main/java/sh/sar/isodroid/notification/UnmountReceiver.kt

@@ -0,0 +1,43 @@
+package sh.sar.isodroid.notification
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.widget.Toast
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import sh.sar.isodroid.isodrive.IsoDriveManager
+import sh.sar.isodroid.isodrive.MountEventBus
+
+class UnmountReceiver : BroadcastReceiver() {
+
+    override fun onReceive(context: Context, intent: Intent) {
+        if (intent.action == NotificationHelper.ACTION_UNMOUNT) {
+            val pendingResult = goAsync()
+
+            CoroutineScope(Dispatchers.IO).launch {
+                try {
+                    val isoDriveManager = IsoDriveManager.getInstance(context)
+                    val result = isoDriveManager.unmount()
+
+                    CoroutineScope(Dispatchers.Main).launch {
+                        if (result.success) {
+                            Toast.makeText(context, "Unmounted successfully", Toast.LENGTH_SHORT).show()
+                            NotificationHelper.getInstance(context).hideNotification()
+                            MountEventBus.emitUnmounted()
+                        } else {
+                            Toast.makeText(context, "Unmount failed: ${result.message}", Toast.LENGTH_LONG).show()
+                        }
+                        pendingResult.finish()
+                    }
+                } catch (e: Exception) {
+                    CoroutineScope(Dispatchers.Main).launch {
+                        Toast.makeText(context, "Error: ${e.message}", Toast.LENGTH_LONG).show()
+                        pendingResult.finish()
+                    }
+                }
+            }
+        }
+    }
+}