Allow setting minimum/maximum values for gauge

[kgf1980]

Description

This PR adds the ability to set the minimum and maximum values for Gauge charts.

gauge := charts.NewGauge()
gauge.SetGlobalOptions(
    charts.WithTitleOpts(opts.Title{Title: "Basic Gauge example"}),
)
gauge.AddSeries("Solar Panels", []opts.GaugeData{{Name: "PV Generation", Value: rand.Intn(3500)}}).
    SetSeriesOptions(
        charts.WithGaugeOpts(opts.Gauge{MinValue: 0, MaxValue: 3500}),
)

---

Type of change

• Bug fix (Non-breaking change which fixes an issue)
• New feature (Non-breaking change which adds functionality)
• Breaking change (Would cause existing functionality to not work as expected)
• Docs
• Others

[Koooooo-7]

Hi @kgf1980 thx for you contribution！
closed via #422