[📑 Docs]: Improvement in Installation guide

[Adi-204]

What Dev Docs changes are you proposing?

The current installation guide for the AsyncAPI Generator includes installation steps for the AsyncAPI CLI, but these steps differ from the actual installation guide provided within the CLI documentation. Specifically:

1. Mac: The guide only mentions brew install asyncapi, which may not cover all necessary details.
2. Linux: The instructions differ from what is officially documented in the CLI guide.

This inconsistency can cause confusion for users, especially those unfamiliar with installation nuances.
Proposed Solution
Should we manually update the installation guide to align with the CLI documentation, or would it be better to provide a brief explanation and a direct link redirecting users to the official AsyncAPI CLI installation guide?

Code of Conduct

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[Adi-204]

@derberg sir can you please provide feedback thanks : )

[derberg]

we should probably solve it the same way as #1371 ? wdyt?

[Illucious]

This looks like a good first issue for me to get started on contributing. I read #1371 and got a general understanding of how to do this. Can I get started on this issue?