feat: useQuery hook with working example

packages/fl_query_hooks/example/macos/Flutter/Flutter-Debug.xcconfig

@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"

packages/fl_query_hooks/example/macos/Flutter/Flutter-Release.xcconfig

@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"

packages/fl_query_hooks/example/macos/Flutter/GeneratedPluginRegistrant.swift

@@ -0,0 +1,14 @@
+//
+//  Generated file. Do not edit.
+//
+
+import FlutterMacOS
+import Foundation
+
+import connectivity_plus_macos
+import path_provider_foundation
+
+func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  ConnectivityPlugin.register(with: registry.registrar(forPlugin: "ConnectivityPlugin"))
+  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
+}