docs: add rollup-plugin-sbom to out of scope section (#363)

As recommended by @jkowalleck in
https://github.com/CycloneDX/cyclonedx.org/pull/289#issuecomment-2093244718,
the addition of
[rollup-plugin-sbom](https://github.com/janbiasi/rollup-plugin-sbom) in
the "out of scope" section of the readme file for the Rollup and Vite
ecosystem.

Signed-off-by: Jan Biasi <[email protected]>

Author: janbiasi

README.md

@@ -41,6 +41,8 @@ These systems are out of scope. Therefore, the following tools are not part of t
 | _React_ | [@cyclonedx/webpack-plugin with React](https://www.npmjs.com/package/@cyclonedx/webpack-plugin?activeTab=readme#user-content-use-with-react) |
 | _Svelte_ | To be announced, suggestions welcome |
 | _Parcel_ | To be announced, suggestions welcome |
+| _Rollup_ | [rollup-plugin-sbom](https://www.npmjs.com/package/rollup-plugin-sbom?activeTab=readme) |
+| _Vite_ | [rollup-plugin-sbom with Vite](https://www.npmjs.com/package/rollup-plugin-sbom?activeTab=readme#usage-with-vite) |
 | _Bower_ | None. (_Bower_ is [deprecated](https://bower.io/blog/2017/how-to-migrate-away-from-bower/)!) |
 
 ## Library