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Summary

Align the OpenAMRobot 2.0 hardware reference pages with the approved P-03 rev19.4 and BOM Issue 7.8 values.

• Update the hardware architecture page and design index from BOM Issue 7.7/P-03 rev19.0 to the current sources.
• Update the CAD Rev B base camera, IMU and LiDAR values.
• Update the battery row to identify the TZBOT charger as the 2.0 charger and the Daly charger as bench-only.
• Preserve the design proposal status and existing historical context.

The changes are limited to the two reference pages. Repository implementation and Drive plan documents remain separate alignment work.

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Superseded by #63 (P-03 rev20.0)