✨ (helm/v2-alpha): Add Notes.txt

[camilamacedo86]

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Pull request overview

Adds a Helm chart NOTES.txt scaffold to the helm/v2-alpha plugin so generated charts include a post-install message, and updates docs/testdata accordingly.

Changes:

• Scaffold templates/NOTES.txt during Helm chart generation (with --force overwrite behavior).
• Add unit tests for the new Notes template scaffold (Ginkgo suite + specs).
• Update plugin documentation and generated testdata charts to include NOTES.txt.

Reviewed changes

Copilot reviewed 5 out of 9 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
testdata/project-v4-with-plugins/dist/chart/templates/NOTES.txt	Expected generated Helm chart notes output for testdata project.
pkg/plugins/optional/helm/v2alpha/scaffolds/internal/templates/chart-templates/suite_test.go	Adds a Ginkgo suite for the charttemplates package tests.
pkg/plugins/optional/helm/v2alpha/scaffolds/internal/templates/chart-templates/notes_test.go	Adds unit tests validating Notes scaffold path, overwrite behavior, and template content.
pkg/plugins/optional/helm/v2alpha/scaffolds/internal/templates/chart-templates/notes.go	Implements the Notes scaffold that generates templates/NOTES.txt.
pkg/plugins/optional/helm/v2alpha/scaffolds/edit_kustomize.go	Wires the new Notes scaffold into the standard chart file generation flow.
docs/book/src/plugins/available/helm-v2-alpha.md	Documents the new NOTES.txt behavior and chart structure updates.
docs/book/src/multiversion-tutorial/testdata/project/dist/chart/templates/NOTES.txt	Updates tutorial testdata chart output to include NOTES.txt.
docs/book/src/getting-started/testdata/project/dist/chart/templates/NOTES.txt	Updates tutorial testdata chart output to include NOTES.txt.
docs/book/src/cronjob-tutorial/testdata/project/dist/chart/templates/NOTES.txt	Updates tutorial testdata chart output to include NOTES.txt.

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