feat: first-class TanStack Router integration + Tailwind create scaffold

[BleedingDev]

Summary

• add first-class TanStack Router runtime/CLI integration for Modern.js conventional routing
• add integration coverage for SSR, data loading, navigation blockers, prefetch, mutations, and module federation scenarios
• add @modern-js/create support for --router tanstack and Tailwind v4 scaffold via --tailwind
• update EN/ZH docs for init commands, routing model, and runtime import guidance
• add changeset entries for @modern-js/create and @modern-js/runtime

Validation

• cd tests && pnpm test:framework -- integration/routes-tanstack/tests/index.test.ts integration/routes-tanstack-create-routes/tests/index.test.ts integration/routes-tanstack-mf/test/index.test.ts integration/tailwindcss/tests/tailwindcss-v4.test.ts
• cd tests && pnpm test:framework -- integration/create-tailwind/tests/index.test.ts
• pnpm --filter @modern-js/create build

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[changeset-bot]

🦋 Changeset detected

Latest commit: 0f32a7f

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

This PR includes changesets to release 113 packages

Name	Type
@modern-js/create	Minor
@modern-js/runtime	Minor
@modern-js/sandpack-react	Minor
@modern-js/plugin-bff	Minor
@modern-js/plugin-styled-components	Minor
@modern-js/plugin-i18n	Minor
@integration-test/alias-set	Patch
app-document	Patch
async-entry-test	Patch
tmp	Patch
bff-api-app	Patch
bff-client-app	Patch
bff-indep-client-app	Patch
bff-hono	Patch
integration-clean-dist-path	Patch
integration-compatibility	Patch
integration-custom-dist-path	Patch
custom-file-system-entry	Patch
integration-custom-template	Patch
deploy	Patch
deploy-server	Patch
dev-server	Patch
integration-disable-html	Patch
app-custom-entries	Patch
app-custom-routes-runtime	Patch
app-custom	Patch
app-entry	Patch
app-route	Patch
app-entry-server	Patch
i18n-app-csr-html-lang	Patch
i18n-app	Patch
i18n-app-ssr-html-lang	Patch
i18n-app-ssr	Patch
i18n-custom-i18n-wrapper	Patch
i18n-mf-app-provider	Patch
i18n-mf-component-provider	Patch
i18n-mf-consumer	Patch
i18n-routes	Patch
i18n-routes-ssr	Patch
@integration-test/image-component	Patch
main-entry-name	Patch
nonce	Patch
pure-esm-project	Patch
routes-match	Patch
routes-tanstack-create-routes	Patch
routes-tanstack-mf-host	Patch
routes-tanstack-mf-remote	Patch
routes-tanstack	Patch
routes	Patch
app-rsbuild-hooks	Patch
rsc-csr-app	Patch
rsc-csr-routes	Patch
rsc-ssr-app	Patch
rsc-ssr-routes	Patch
runtime-custom-plugin	Patch
runtime-custom-config-plugin	Patch
select-mul-entry-test	Patch
select-one-entry-test	Patch
server-config	Patch
server-json-script	Patch
server-monitors	Patch
server-prod	Patch
server-routes	Patch
@source-code-build/app	Patch
ssg-fixtures-mega-list-routes	Patch
ssg-fixtures-nested-routes	Patch
ssg-fixtures-simple	Patch
ssg-fixtures-web-server	Patch
ssr-base-async-entry-test	Patch
ssr-base-json-test	Patch
ssr-base-test	Patch
ssr-base-fallback-test	Patch
init	Patch
ssr-base-loadable	Patch
ssr-partial-test	Patch
ssr-script-loading	Patch
ssr-streaming-inline-test	Patch
ssr-streaming-test	Patch
styled-components-stream	Patch
styled-components-string	Patch
integration-tailwindcss-v2	Patch
integration-tailwindcss-v3	Patch
integration-tailwindcss-v4	Patch
tmp-dir	Patch
write-to-dist	Patch
@modern-js/bundle-diff-benchmark	Minor
@modern-js/main-doc	Minor
@modern-js/tsconfig	Minor
@modern-js/builder	Minor
@modern-js/plugin-data-loader	Minor
@modern-js/plugin-ssg	Minor
@modern-js/image	Minor
@modern-js/render	Minor
@modern-js/bff-core	Minor
@modern-js/bff-runtime	Minor
@modern-js/server-core	Minor
@modern-js/create-request	Minor
@modern-js/plugin-polyfill	Minor
@modern-js/prod-server	Minor
@modern-js/server-runtime	Minor
@modern-js/server	Minor
@modern-js/server-utils	Minor
@modern-js/app-tools	Minor
@modern-js/i18n-utils	Minor
@modern-js/plugin	Minor
@modern-js/runtime-utils	Minor
@modern-js/types	Minor
@modern-js/utils	Minor
@modern-js/rslib	Minor
@scripts/prebundle	Patch
@scripts/rstest-config	Patch
entries-app-builder	Patch
@scripts/release-node	Patch

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[caohuilin]

Thanks for the contribution! We are currently reviewing and discussing this PR, and will provide feedback soon.