[Enh] Add quasi-random sampling: Halton

[HydrogenSulfate]

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1. 添加 Halton 准随机采样方法（想比random伪随机方法，生成的点会更均匀），如下所示

import ppsci


rect = ppsci.geometry.Rectangle([-1, -1], [1, 1])

round_ = ppsci.geometry.Disk([0, 0], 1.0)

rect_halton_points = rect.sample_interior(
    10000,
    "Halton",
    criteria=lambda x, y: (x > 0) & (y > -0.5),
)
round_halton_points = round_.sample_interior(
    10000,
    "Halton",
    criteria=lambda x, y: (x > 0.5) & (y < 0.5),
)

ppsci.visualize.save_vtu_from_dict(
    "rect_halton_points.vtu",
    rect_halton_points,
    ("x", "y"),
    ("x", "y"),
)
ppsci.visualize.save_vtu_from_dict(
    "round_halton_points.vtu",
    round_halton_points,
    ("x", "y"),
    ("x", "y"),
)

[paddle-bot]

Thanks for your contribution!

[zhiminzhang0830]

LGTM