docs(motlp): add Authentication section with ingest API key examples#571

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alexandra5000 wants to merge 4 commits intoelastic:mainfrom

alexandra5000:motlp-ingest-api-key-auth

Commits on Mar 26, 2026

Add Authentication section to mOTLP reference docs
alexandra5000
committed

Commits on Mar 27, 2026

Fix broken API link in motlp.md Authentication section

alexandra5000
and
claude
committed
Merge remote-tracking branch 'upstream/main' into motlp-ingest-api-key-auth
alexandra5000
committed

Commits on Mar 31, 2026

Consolidate API key creation instructions into the main mOTLP reference
alexandra5000
committed