feat(#66): add OnApplicationBootstrap, add OnApplicationReady lifecyc…

…le hooks

packages/serinus/bin/serinus.dart

@@ -67,7 +67,6 @@ class TestProviderFour extends Provider with OnApplicationInit {
 class CircularDependencyModule extends Module {
   CircularDependencyModule()
       : super(imports: [
-          AnotherModule()
         ], controllers: [], providers: [
           Provider.deferred((TestProvider tp) => TestProviderThree(tp),
               inject: [TestProvider], type: TestProviderThree),

packages/serinus/lib/src/core/application.dart

@@ -161,6 +161,10 @@ class SerinusApplication extends Application {
         },
         errorHandler: (e, stackTrace) => _logger.severe(e, stackTrace),
       );
+      final providers = modulesContainer.getAll<OnApplicationReady>();
+      for (final provider in providers) {
+        await provider.onApplicationReady();
+      }
     } on SocketException catch (e) {
       _logger.severe('Failed to start server on ${e.address}:${e.port}');
       await close();
@@ -185,6 +189,11 @@ class SerinusApplication extends Application {
     final explorer = Explorer(modulesContainer, router, config);
     explorer.resolveRoutes();
     await modulesContainer.finalize(entrypoint);
+    final registeredProviders =
+        modulesContainer.getAll<OnApplicationBootstrap>();
+    for (final provider in registeredProviders) {
+      await provider.onApplicationBootstrap();
+    }
   }
 
   @override

packages/serinus/lib/src/mixins/provider_mixins.dart

@@ -15,3 +15,19 @@ mixin OnApplicationShutdown on Provider {
   /// The [onApplicationShutdown] method is called in the providers when the application is shutting down.
   Future<void> onApplicationShutdown();
 }
+
+/// The mixin [OnApplicationReady] is used to define the method [onApplicationReady].
+/// 
+/// The method [onApplicationReady] is called in the providers after the [Application.serve] method has been executed.
+mixin OnApplicationReady on Provider {
+  /// The [onApplicationReady] method is called in the providers after the [Application.serve] method has been executed.
+  Future<void> onApplicationReady();
+}
+
+/// The mixin [OnApplicationBootstrap] is used to define the method [onApplicationBootstrap].
+/// 
+/// The method [onApplicationBootstrap] is called in the providers after the [finalize] method of the ModulesContainer has been executed.
+mixin OnApplicationBootstrap on Provider {
+  /// The [onApplicationBootstrap] method is called in the providers after the [finalize] method of the ModulesContainer has been executed.
+  Future<void> onApplicationBootstrap();
+}