Implement invoice bounds and temperature windows

Use $java-streams to create InvoiceBoundsAndTemperatures.java. Assume Java 17.

Implement:

Bounds<Invoice, Invoice> invoiceTotalBounds(List<Invoice> invoices)
List<Reading> readingsBeforeFirstOverheat(List<Reading> readings, double maxSafeTemperature)
List<Reading> readingsAfterInitialSafeRun(List<Reading> readings, double maxSafeTemperature)

Rules:

• invoiceTotalBounds should return the lowest-total and highest-total invoices. For an empty invoice list, both bounds values should be null.
• readings is in chronological order.
• readingsBeforeFirstOverheat returns the readings from the start of the list until the first reading where temperatureCelsius > maxSafeTemperature.
• readingsAfterInitialSafeRun skips the readings from the start of the list while temperatureCelsius <= maxSafeTemperature, then returns everything after that.

Use nested records:

record Invoice(String id, BigDecimal total) {}
record Reading(long sequence, double temperatureCelsius) {}
record Bounds<L, R>(L low, R high) {}