feat(ferry_generator): add option to disable formatting

[Vild]

Adds a flag to the build.xml's options to prefix the generated code with // dart format off.
I set the default value is true to not affect any existing output.

Do I need to make any other changes for this simple feature?

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[Copilot]

Pull Request Overview

This PR introduces an option to disable formatting in the generated code by conditionally adding a "// dart format off" prefix.

• Adds a boolean flag in the writeDocument function to control formatting
• Updates BuilderConfig to read this flag from the configuration with a default of true
• Propagates the flag through serializer_builder.dart and graphql_builder.dart to ensure consistent behavior

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
packages/ferry_generator/lib/src/utils/writer.dart	Adds a new bool parameter to control whether the formatting comment is prepended
packages/ferry_generator/lib/src/utils/config.dart	Includes the new flag in BuilderConfig with a default value to preserve existing behavior
packages/ferry_generator/lib/serializer_builder.dart	Passes the new flag from config into writeDocument
packages/ferry_generator/lib/graphql_builder.dart	Passes the new flag from config into writeDocument

Comments suppressed due to low confidence (2)

packages/ferry_generator/lib/src/utils/writer.dart:17

• [nitpick] Consider renaming the 'format' flag to 'enableFormatting' to more clearly express that a true value means formatting is enabled, which may improve code readability.

  bool format,

packages/ferry_generator/lib/src/utils/config.dart:51

• [nitpick] Consider renaming the 'format' property to 'enableFormatting' in your configuration for consistency and clarity.

        format = config['format'] ?? true;

[knaeckeKami]

Thanks and sorry for the long delay, i missed this.

Please document this feature in

docs/codegen.md, this will be used the generate the website.

[Vild]

Done :)