Make `Array` infer the types

[surister]

In pyarrow we can just do:

>>> import pyarrow as pa
>>> pa.array([1,2,3])
<pyarrow.lib.Int64Array object at 0x7f566034e920>
[
  1,
  2,
  3
]

This is very convenient and powerful, as it can infer most native python types, it's extremely useful when converting python objects to arrow.
Right now arro3 does not infer types:

>>> from arro3.core import Array, DataType
>>> Array([1, 2, 3], DataType.int32())
arro3.core.Array<Int32>
[
  1,
  2,
  3,
]

[kylebarron]

I'm lukewarm on this. It's a lot of work to accurately infer types, especially for nested data.

I think I'd want a clearer detailing of the proposed approach and the expected future maintenance requirements.

[kylebarron]

FWIW I think we could maybe allow this for primitive types only (integers, floats, strings, buffers) but disallow this for any sort of nested input (lists, dicts)