feat: prepare for release

Author: francescovallone

.gitignore

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+# https://dart.dev/guides/libraries/private-files
+# Created by `dart pub`
+.dart_tool/

CHANGELOG.md

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+# Changelog
+
+## 1.0.0
+
+- Initial version.

LICENSE

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+# Microdiff
+
+Microdiff is fast, zery dependency object and array comparison library. It is a Dart porting of [microdiff](https://github.com/AsyncBanana/microdiff).
+
+## Features
+
+- 🚀 Fast
+- 💙 Easy to use, you need to simply call the `diff` function
+
+## Usage
+
+```dart
+import 'package:microdiff/microdiff.dart';
+
+void main() {
+  final diff = diff([1, 2, 3], [1, 2, 4]);
+  print(diff);
+}
+```
+
+## Get started
+
+Add this to your package's `pubspec.yaml` file:
+
+```yaml
+dependencies:
+  microdiff: ^1.0.0
+```
+
+Or you can install it from the command line:
+
+```bash
+dart pub add microdiff
+```
+
+## License

README.md

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+# This file configures the static analysis results for your project (errors,
+# warnings, and lints).
+#
+# This enables the 'recommended' set of lints from `package:lints`.
+# This set helps identify many issues that may lead to problems when running
+# or consuming Dart code, and enforces writing Dart using a single, idiomatic
+# style and format.
+#
+# If you want a smaller set of lints you can change this to specify
+# 'package:lints/core.yaml'. These are just the most critical lints
+# (the recommended set includes the core lints).
+# The core lints are also what is used by pub.dev for scoring packages.
+
+include: package:lints/recommended.yaml
+
+# Uncomment the following section to specify additional rules.
+
+# linter:
+#   rules:
+#     - camel_case_types
+
+# analyzer:
+#   exclude:
+#     - path/to/excluded/files/**
+
+# For more information about the core and recommended set of lints, see
+# https://dart.dev/go/core-lints
+
+# For additional information about configuring this file, see
+# https://dart.dev/guides/language/analysis-options

analysis_options.yaml

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+// Import BenchmarkBase class.
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:benchmark_harness/benchmark_harness.dart';
+import 'package:microdiff/microdiff.dart';
+
+// Create a new benchmark by extending BenchmarkBase
+class MicrodiffBenchmark extends BenchmarkBase {
+  MicrodiffBenchmark() : super('Microdiff');
+
+  Map<String, dynamic> original = {};
+  Map<String, dynamic> changed = {};
+
+  static void main() {
+    MicrodiffBenchmark().report();
+  }
+
+  @override
+  void run() {
+    diff(original, changed);
+  }
+
+  @override
+  void setup() {
+    File file = File('data/data.json');
+    final json = file.readAsStringSync();
+    original = jsonDecode(json);
+    changed = jsonDecode(json);
+    changed['exclude'] = ['./src/app/og/*.{tsx}'];
+    changed['conditions']['extend']['light'] = '';
+  }
+
+  @override
+  void teardown() {}
+}
+
+void main() {
+  // Run TemplateBenchmark
+  MicrodiffBenchmark.main();
+}