Feat/layout/init component

[eikeland]

Summary

Adds the first version of @equinor/fusion-react-layout, providing React wrappers for Fusion layout and page web components.

Changes

• Adds Layout with Layout.Sidebar and Layout.Content composition helpers.
• Adds Page with Page.Header, Page.Main, and Page.Footer slots for structured page content.
• Documents installation, imports, and common usage patterns in the package README.
• Adds Storybook examples for content-only layouts, sidebar layouts, page layouts, and combined page/sidebar usage.
• Adds a minor changeset for the new package.

Testing

• Added Storybook coverage for the new layout components.
• Ran git diff --check -- .changeset/fusion-react-layout_initial-layout-components.md.

[changeset-bot]

🦋 Changeset detected

Latest commit: 66fffec

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@equinor/fusion-react-layout	Minor
@equinor/fusion-react-components-stories	Patch

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[Copilot]

Pull request overview

Adds the initial @equinor/fusion-react-layout package to this monorepo, providing React wrappers around Fusion layout/page web components, plus Storybook documentation and workspace wiring so the new package is consumable and demoed alongside existing components.

Changes:

• Introduces packages/layout with Layout + Page components (including slot/compound subcomponents) and package metadata/docs.
• Integrates the new package into Storybook (dependency, TS project reference, new stories + MDX docs page).
• Adds a changeset (minor) and updates the lockfile to include the new workspace package and wc dependencies.

Reviewed changes

Copilot reviewed 12 out of 13 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
storybook/tsconfig.json	Adds TS project reference so Storybook can typecheck/resolve the new workspace package.
storybook/src/stories/layout/layout.stories.tsx	Adds Storybook stories demonstrating Layout/Page usage patterns.
storybook/src/stories/layout/layout.mdx	Adds docs page pulling in package README + changelog and rendering story canvases.
storybook/package.json	Adds @equinor/fusion-react-layout as a Storybook workspace dependency.
packages/layout/tsconfig.json	Adds TS build config for the new package and references utils.
packages/layout/src/index.ts	Exposes the new components from the package entrypoint.
packages/layout/src/components/layout/index.tsx	Implements Layout wrapper + compound slot helpers.
packages/layout/src/components/page/index.tsx	Implements Page wrapper + compound slot helpers.
packages/layout/README.md	Adds installation and usage documentation.
packages/layout/package.json	Defines package metadata/exports/dependencies for publishing.
packages/layout/CHANGELOG.md	Initializes changelog file.
bun.lock	Records new workspace package and dependency graph changes.
.changeset/fusion-react-layout_initial-layout-components.md	Adds minor changeset for publishing the new package.

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[Copilot]

Pull request overview

Copilot reviewed 12 out of 13 changed files in this pull request and generated 5 comments.