Add flutter_lints to experimental/federated_plugin/federated_plugin_macos (#818)

Author: domesticmouse

experimental/federated_plugin/federated_plugin_macos/analysis_options.yaml

@@ -0,0 +1,19 @@
+include: package:flutter_lints/flutter.yaml
+
+analyzer:
+  strong-mode:
+    implicit-casts: false
+    implicit-dynamic: false
+
+linter:
+  rules:
+    avoid_types_on_closure_parameters: true
+    avoid_void_async: true
+    cancel_subscriptions: true
+    close_sinks: true
+    directives_ordering: true
+    package_api_docs: true
+    package_prefixed_library_names: true
+    test_types_in_equals: true
+    throw_in_finally: true
+    unnecessary_statements: true

experimental/federated_plugin/federated_plugin_macos/pubspec.lock

@@ -55,11 +55,25 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_lints:
+    dependency: "direct dev"
+    description:
+      name: flutter_lints
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  lints:
+    dependency: transitive
+    description:
+      name: lints
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   matcher:
     dependency: transitive
     description:

experimental/federated_plugin/federated_plugin_macos/pubspec.yaml

@@ -1,7 +1,6 @@
 name: federated_plugin_macos
 description: macOS implementation of federated_plugin to retrieve current battery level.
 version: 0.0.1
-homepage:
 publish_to: none
 
 environment:
@@ -15,6 +14,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  flutter_lints: ^1.0.0
 
 flutter:
   plugin: