fix: need a polyfill for buffer

[deepakprabhakara]

Related Issue or Design Document

Fix for broken OEL configuration pages.

Checklist

• I have read the contributing guidelines and signed the CLA.
• I have referenced an issue containing the design document if my change introduces a new feature.
• I have read the security policy.
• I confirm that this pull request does not address a security vulnerability.
  If this pull request addresses a security vulnerability,
  I confirm that I got approval (please contact security@ory.com) from the maintainers to push the changes.
• I have added tests that prove my fix is effective or that my feature works.
• I have added the necessary documentation within the code base (if appropriate).

Further comments

[jonas-jonas]

I wonder why this code is even executed on the client. But might just be docusaurus things..

[deepakprabhakara]

I wonder why this code is even executed on the client. But might just be docusaurus things..

Yeah, specifically the redocusaurus plugin I think

[deepakprabhakara]

License/cla is stuck for some reason.