(#2) Add missing pubspec.yaml properties

Author: Laks Castro

pubspec.yaml

@@ -1,7 +1,10 @@
 name: shared_storage
-description: Flutter plugin to get internal and external public directory path.
-version: 0.1.0
+description: "📁 Flutter plugin to get Android shared folders like DCIM, Downloads, Video, Audio. Works with Android 4.1 (API Level 16+)"
+version: 0.1.1
 homepage: https://github.com/LaksCastro/shared-storage
+repository: https://github.com/LaksCastro/shared-storage
+issue_tracker: https://github.com/LaksCastro/shared-storage/issues
+documentation: https://github.com/LaksCastro/shared-storage
 
 environment:
   sdk: ">=2.14.0 <3.0.0"