This PR will modify completely the current APIs by assigning the file read/write APIs to ScopedFile and ScopedDirectory class. Also, the APIs will be merged together to make the use of this plugin seamlessly smooth by someone who never heard of storage access framework.
Added ScopedFile class to handle file write/read, based on the current File class from dart:io.
Added ScopedDirectory class to handle file creation and list.
All APIs (File, Media Store, Storage Access Framework) are being merged to work together.
This PR will modify completely the current APIs by assigning the file read/write APIs to ScopedFile and ScopedDirectory class. Also, the APIs will be merged together to make the use of this plugin seamlessly smooth by someone who never heard of storage access framework.