[connecitivity_macos] Fix warnings to publish (flutter#2366)

packages/connectivity/connectivity_macos/README.md

@@ -0,0 +1,30 @@
+# shared_preferences_macos
+
+The macos implementation of [`connectivity`].
+
+## Usage
+
+### Import the package
+
+To use this plugin in your Flutter Web app, simply add it as a dependency in
+your `pubspec.yaml` alongside the base `connectivity` plugin.
+
+_(This is only temporary: in the future we hope to make this package an
+"endorsed" implementation of `connectivity`, so that it is automatically
+included in your Flutter macos app when you depend on `package:connectivity_macos`.)_
+
+This is what the above means to your `pubspec.yaml`:
+
+```yaml
+...
+dependencies:
+  ...
+  connectivity: ^0.4.6
+  connectivity_macos: ^0.0.1
+  ...
+```
+
+### Use the plugin
+
+Once you have the `connectivity_macos` dependency in your pubspec, you should
+be able to use `package:connectivity` as normal.

packages/connectivity/connectivity_macos/pubspec.yaml

@@ -1,7 +1,6 @@
 name: connectivity_macos
 description: macOS implementation of the connectivity plugin.
-version: 0.0.1
-author: Flutter Team <[email protected]>
+version: 0.0.2
 homepage: https://github.com/flutter/plugins/tree/master/packages/connectivity/connectivity_macos
 
 flutter:
@@ -12,7 +11,7 @@ flutter:
 
 environment:
   sdk: ">=2.1.0 <3.0.0"
-  flutter: ">=1.9.1+hotfix.6 <2.0.0"
+  flutter: ">=1.10.0 <2.0.0"
 
 dependencies:
   flutter: