inital changes

.flutter-plugins

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+# This is a generated file; do not edit or check into version control.
+printing=/Users/mac/.pub-cache/hosted/pub.dev/printing-5.10.3/

.flutter-plugins-dependencies

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+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"printing","path":"/Users/mac/.pub-cache/hosted/pub.dev/printing-5.10.3/","native_build":true,"dependencies":[]}],"android":[{"name":"printing","path":"/Users/mac/.pub-cache/hosted/pub.dev/printing-5.10.3/","native_build":true,"dependencies":[]}],"macos":[{"name":"printing","path":"/Users/mac/.pub-cache/hosted/pub.dev/printing-5.10.3/","native_build":true,"dependencies":[]}],"linux":[{"name":"printing","path":"/Users/mac/.pub-cache/hosted/pub.dev/printing-5.10.3/","native_build":true,"dependencies":[]}],"windows":[{"name":"printing","path":"/Users/mac/.pub-cache/hosted/pub.dev/printing-5.10.3/","native_build":true,"dependencies":[]}],"web":[{"name":"printing","path":"/Users/mac/.pub-cache/hosted/pub.dev/printing-5.10.3/","dependencies":[]}]},"dependencyGraph":[{"name":"printing","dependencies":[]}],"date_created":"2023-04-10 15:14:19.648175","version":"3.7.10"}

.gitignore

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+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
+/pubspec.lock
+**/doc/api/
+.dart_tool/
+.packages
+build/

.metadata

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+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: 4b12645012342076800eb701bcdfe18f87da21cf
+  channel: stable
+
+project_type: package

CHANGELOG.md

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+## 0.0.1
+
+* TODO: Describe initial release.

LICENSE

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+TODO: Add your license here.

README.md

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+<!--
+This README describes the package. If you publish this package to pub.dev,
+this README's contents appear on the landing page for your package.
+
+For information about how to write a good package README, see the guide for
+[writing package pages](https://dart.dev/guides/libraries/writing-package-pages).
+
+For general information about developing packages, see the Dart guide for
+[creating packages](https://dart.dev/guides/libraries/create-library-packages)
+and the Flutter guide for
+[developing packages and plugins](https://flutter.dev/developing-packages).
+-->
+
+TODO: Put a short description of the package here that helps potential users
+know whether this package might be useful for them.
+
+## Features
+
+TODO: List what your package can do. Maybe include images, gifs, or videos.
+
+## Getting started
+
+TODO: List prerequisites and provide or point to information on how to
+start using the package.
+
+## Usage
+
+TODO: Include short and useful examples for package users. Add longer examples
+to `/example` folder.
+
+```dart
+const like = 'sample';
+```
+
+## Additional information
+
+TODO: Tell users more about the package: where to find more information, how to
+contribute to the package, how to file issues, what response they can expect
+from the package authors, and more.

analysis_options.yaml

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+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

lib/attributes.dart

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+///
+/// Supported partial rendering types:
+///   bold, italic,
+///   underline, strikethrough,
+///   color, font,
+///   href
+///
+/// Supported global rendering types:
+///   heading: h1, h2, h3, h4, h5, h6, ...
+///   block quote,
+///   list: ordered list, bulleted list,
+///   code block
+///
+class BuiltInAttributeKey {
+  static String bold = 'bold';
+  static String italic = 'italic';
+  static String underline = 'underline';
+  static String strikethrough = 'strikethrough';
+  static String color = 'color';
+  static String backgroundColor = 'backgroundColor';
+  static String font = 'font';
+  static String href = 'href';
+
+  static String subtype = 'subtype';
+  static String heading = 'heading';
+  static String h1 = 'h1';
+  static String h2 = 'h2';
+  static String h3 = 'h3';
+  static String h4 = 'h4';
+  static String h5 = 'h5';
+  static String h6 = 'h6';
+
+  static String bulletedList = 'bulleted-list';
+  static String numberList = 'number-list';
+
+  static String quote = 'quote';
+  static String checkbox = 'checkbox';
+  static String code = 'code';
+  static String number = 'number';
+
+  static List<String> partialStyleKeys = [
+    BuiltInAttributeKey.bold,
+    BuiltInAttributeKey.italic,
+    BuiltInAttributeKey.underline,
+    BuiltInAttributeKey.strikethrough,
+    BuiltInAttributeKey.backgroundColor,
+    BuiltInAttributeKey.color,
+    BuiltInAttributeKey.href,
+    BuiltInAttributeKey.code,
+  ];
+
+  static List<String> globalStyleKeys = [
+    BuiltInAttributeKey.subtype,
+    BuiltInAttributeKey.heading,
+    BuiltInAttributeKey.checkbox,
+    BuiltInAttributeKey.bulletedList,
+    BuiltInAttributeKey.numberList,
+    BuiltInAttributeKey.quote,
+  ];
+}