Fix formatting issues in README.md

[hridesh-net]

Summary

• Describe what changed and why.

Validation

• go test ./internal/channels/adapter -count=1
• go test ./... -count=1
• go build -mod=vendor -tags fts5 ./cmd/opsintelligence

Adapter Checklist (required for channel work)

If this PR touches channel adapters, confirm the checklist in:

• CONTRIBUTING.md -> New Channel Adapter Checklist

And mark applicable items:

• Adapter v1 contract + typed errors
• Shared reliability wrapper wiring (retry/backoff/breaker/DLQ)
• Capability registry + capability doc update
• Contract/property tests pass
• Changelog updated
• Rollback note included (for behavioral migrations)

Operational / Manual Follow-ups

• Branch protection includes required checks (CI, Adapter Contract Tests)

[hridesh-net]

✅ This PR fixes a formatting issue in README.md by adding proper emphasis to "OpsIntelligence". The change improves readability and clarity. Great job!