feat(storybook): removing support for Storybook 5

[mandarini]

Removing support for Storybook v5.

It's not being supported already, actually, since if you're on Nx version 13.4 and on, there would be incompatibilities with webpack (for React) and Angular 13.1.

So, removing all generators, and double files, and adding migrators to automatically run our two Storybook generators (migrate-defaults and migrate-stories-to-6-2).

This is for version 14.

Current Behavior

Expected Behavior

Related Issue(s)

Fixes #

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• nx affected --target=build --base=9396db03c3b3844ef407d3819d984e2b9097537a --head=ad28d7ecd03dfdaada743976eb87f17abebf609d --parallel=3
• nx affected --target=e2e --base=9396db03c3b3844ef407d3819d984e2b9097537a --head=ad28d7ecd03dfdaada743976eb87f17abebf609d --exclude=e2e-detox,e2e-js,e2e-next,e2e-workspace-create,e2e-workspace-integrations,e2e-workspace-core,e2e-react,e2e-web,e2e-angular-extensions,e2e-angular-core,e2e-cli,e2e-nx-plugin,e2e-cypress,e2e-node,e2e-linter,e2e-jest,e2e-a...
• nx affected --target=e2e --base=9396db03c3b3844ef407d3819d984e2b9097537a --head=ad28d7ecd03dfdaada743976eb87f17abebf609d --exclude=e2e-storybook,e2e-react-native,e2e-detox --parallel=1
• nx affected --target=lint --base=9396db03c3b3844ef407d3819d984e2b9097537a --head=ad28d7ecd03dfdaada743976eb87f17abebf609d --parallel=3
• nx affected --target=test --base=9396db03c3b3844ef407d3819d984e2b9097537a --head=ad28d7ecd03dfdaada743976eb87f17abebf609d --parallel=1
• nx build typedoc-theme
• nx run-many --target=build --all --parallel=8 --exclude=docs,nx-dev-data-access-documents,nx-dev-e2e,nx-dev,nx-dev-feature-analytics,nx-dev-feature-conf,nx-dev-feature-doc-viewer,nx-dev-feature-search,nx-dev-feature-storage,nx-dev-feature-versions-and-flavors,nx-dev-ui-commands,nx-dev-ui-common,nx-dev-ui-home,nx-dev-ui-member-card,nx-dev-ui-sponsor...
• nx-cloud record -- yarn check-commit
• nx-cloud record -- yarn check-imports
• nx-cloud record -- yarn depcheck
• nx-cloud record -- yarn documentation
• nx-cloud record -- yarn nx format:check --base=9396db03c3b3844ef407d3819d984e2b9097537a --head=ad28d7ecd03dfdaada743976eb87f17abebf609d
• nx-cloud record -- yarn nx workspace-lint

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[Coly010]

LGTM! 🎉

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