Add multiplatform connectivity check

shared/src/androidMain/kotlin/bou/amine/apps/readerforselfossv2/utils/NetworkStatus.kt

@@ -0,0 +1,17 @@
+package bou.amine.apps.readerforselfossv2.utils
+
+import android.content.Context
+import com.github.`ln-12`.library.ConnectivityStatus
+
+actual class NetworkStatus(context: Context) {
+    private val connectivityStatus = ConnectivityStatus(context)
+    actual val current = connectivityStatus.isNetworkConnected
+
+    actual fun start() {
+        connectivityStatus.start()
+    }
+
+    actual fun stop() {
+        connectivityStatus.stop()
+    }
+}