adding packages

deprecated/file_access/README.md

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+# file_access
+
+An abstract way to handle files on iOS, Android, Desktop and Web!
+
+Online Demo: https://rodydavis.github.io/file_access/
+
+Installing: 
+
+```yaml
+dependencies:
+  flutter:
+    sdk: flutter
+  file_access:
+    git: https://github.com/rodydavis/file_access
+```
+
+## Setup
+
+### Web
+
+Add the following line to your body to make it work in Safari:
+
+```html
+<input type="file" style="visibility:hidden;" id="file-picker" />
+```
+
+### IOS
+
+https://github.com/miguelpruivo/flutter_file_picker/wiki/Setup#ios
+
+
+## Getting Started
+
+Pick a file:
+
+```dart
+final _file = await openFile();
+
+```
+
+Select multiple files:
+
+```dart
+final _files = await openFiles();
+
+```
+
+Pick an image:
+
+```dart
+final _file = await pickImage();
+
+```
+
+Pick a video:
+
+```dart
+final _file = await pickVideo();
+
+```
+
+Once you have the `FileX` type you can read the data:
+
+```dart
+final _bytes = await _file.readAsBytes();
+final _string = await _file.readAsString();
+```
+
+Creating a new file:
+
+```dart
+final _file = FileX('path/to/file/file.txt');
+await _file.writeAsString('My New Data!');
+final _output = await _file.readAsString();
+print(_output); // 'My New Data!'
+```