Add BQ24072 and BQ24073 battery management subcircuits

[techmannih]

Summary

• add BQ24072RGTR and BQ24073RGTR chip definitions with short-name wrappers
• add reusable BatteryManagement_BQ24072 and BatteryManagement_BQ24073 reference subcircuits
• export the new chips and subcircuits from the package entrypoint
• add schematic snapshots and document the new subcircuit exports
• intentionally omit PCB snapshots

Why

This makes the BQ24072 and BQ24073 charger reference designs available as reusable components from @tsci/tscircuit.ti.

Impact

Consumers can import either battery-management subcircuit or the low-level chip components directly from the package.

Validation

• bun build index.ts --outdir /tmp/ti-bq2407-build --target bun — passed
• Biome check for the six new BQ source files — passed
• git diff --cached --check — passed
• PCB snapshot exclusion check — passed
• bun run typecheck — blocked by the repository's existing TS5097 errors for .tsx import paths
• bun run snapshot — blocked by the installed circuit-json package missing the getRotationBetweenPcbPin1Locations export

[techmannih]

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[tscircuitbot]

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PR Rating: ⭐
Impact: Tiny

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