CBOM feature page + FAQs

[aurangzaib048]

The product ships five CBOM capabilities (upload auto-detect, crypto-inventory API, PQC readiness plugin, posture cards including the public Trust Center, release-level merged CBOM download) and the site covers none of them. content/features/ has zero crypto mentions.

Add:

• A feature page walking upload -> inventory -> PQC verdicts -> Trust Center posture -> release CBOM download, with real product screenshots
• FAQs: "How do I upload a CBOM", "How does sbomify grade quantum readiness", "Which tools generate CBOMs" (cbomkit, cdxgen, Mondoo xgrep recipes)

Acceptance:

• Feature page live and linked from the features nav
• FAQs published
• llms.txt updated