primeiro commit com exercicios de Exercism realizados até esta data

dart/hello-world/.exercism/config.json

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+{
+  "authors": [
+    "SuperPaintman"
+  ],
+  "contributors": [
+    "rafaelalvessa",
+    "Stargator"
+  ],
+  "files": {
+    "solution": [
+      "lib/hello_world.dart"
+    ],
+    "test": [
+      "test/hello_world_test.dart"
+    ],
+    "example": [
+      ".meta/lib/example.dart"
+    ],
+    "invalidator": [
+      "pubspec.yaml"
+    ]
+  },
+  "blurb": "Exercism's classic introductory exercise. Just say \"Hello, World!\".",
+  "source": "This is an exercise to introduce users to using Exercism",
+  "source_url": "https://en.wikipedia.org/wiki/%22Hello,_world!%22_program"
+}

dart/hello-world/.exercism/metadata.json

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+{"track":"dart","exercise":"hello-world","id":"3416a5e62e344dd3ab25a1455c84721e","url":"https://exercism.org/tracks/dart/exercises/hello-world","handle":"sanctushck","is_requester":true,"auto_approve":false}

dart/hello-world/HELP.md

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+# Help
+
+## Running the tests
+
+To run the tests:
+
+```sh
+$ dart test
+```
+
+## Submitting your solution
+
+You can submit your solution using the `exercism submit lib/hello_world.dart` command.
+This command will upload your solution to the Exercism website and print the solution page's URL.
+
+It's possible to submit an incomplete solution which allows you to:
+
+- See how others have completed the exercise
+- Request help from a mentor
+
+## Need to get help?
+
+If you'd like help solving the exercise, check the following pages:
+
+- The [Dart track's documentation](https://exercism.org/docs/tracks/dart)
+- The [Dart track's programming category on the forum](https://forum.exercism.org/c/programming/dart)
+- [Exercism's programming category on the forum](https://forum.exercism.org/c/programming/5)
+- The [Frequently Asked Questions](https://exercism.org/docs/using/faqs)
+
+Should those resources not suffice, you could submit your (incomplete) solution to request mentoring.
+
+To get help if you're having trouble, you can use one of the following resources:
+
+- [Dart API Documentation](https://api.dart.dev/)
+- [Dart Gitter Chat](https://gitter.im/dart-lang/home)
+- [Community Information](https://www.dart.dev/community)
+- [/r/dartlang](https://www.reddit.com/r/dartlang) is the Dart subreddit.
+- [StackOverflow](https://stackoverflow.com/questions/tagged/dart) can be used to search for your problem and see if it has been answered already. You can also ask and answer questions.

dart/hello-world/README.md

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+# Hello World
+
+Welcome to Hello World on Exercism's Dart Track.
+If you need help running the tests or submitting your code, check out `HELP.md`.
+
+## Instructions
+
+The classical introductory exercise.
+Just say "Hello, World!".
+
+["Hello, World!"][hello-world] is the traditional first program for beginning programming in a new language or environment.
+
+The objectives are simple:
+
+- Modify the provided code so that it produces the string "Hello, World!".
+- Run the test suite and make sure that it succeeds.
+- Submit your solution and check it at the website.
+
+If everything goes well, you will be ready to fetch your first real exercise.
+
+[hello-world]: https://en.wikipedia.org/wiki/%22Hello,_world!%22_program
+
+## Source
+
+### Created by
+
+- @SuperPaintman
+
+### Contributed to by
+
+- @rafaelalvessa
+- @Stargator
+
+### Based on
+
+This is an exercise to introduce users to using Exercism - https://en.wikipedia.org/wiki/%22Hello,_world!%22_program

dart/hello-world/analysis_options.yaml

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+analyzer:
+  exclude:
+    - lib/hello_world.dart
+  strong-mode:
+    implicit-casts: false
+    implicit-dynamic: false
+  errors:
+    unused_element:        error
+    unused_import:         error
+    unused_local_variable: error
+    dead_code:             error
+
+linter:
+  rules:
+    # Error Rules
+    - avoid_relative_lib_imports
+    - avoid_types_as_parameter_names
+    - literal_only_boolean_expressions
+    - no_adjacent_strings_in_list
+    - valid_regexps

dart/hello-world/lib/hello_world.dart

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+class HelloWorld {
+  String hello() {
+    return "Hello, World!";
+  }
+}

dart/hello-world/pubspec.yaml

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+name: 'hello_world'
+environment:
+  sdk: '>=3.2.0 <4.0.0'
+dev_dependencies:
+  test: '<2.0.0'

dart/hello-world/test/hello_world_test.dart

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+import 'package:hello_world/hello_world.dart';
+import 'package:test/test.dart';
+
+void main() {
+  test('Say Hi!', () {
+    expect(HelloWorld().hello(), equals('Hello, World!'));
+  });
+}