[Feat][C++] Support List Data Type, use list<float> as example

[acezen]

Proposed changes

This pull request aims to support List data type in GraphAr C++ and add related unit-test

• Support List data type by add a child_ to DataType class, implement by nested other logical data type.
• In high level reader, support read list property in Vertex/Edge.
  yaml example:

property:
  - name: feature
  - data_type: list<float>
  - is_primary: false

NB: since BooleanArray and StringArray'method are not align to NumericalArray, so we only support list<int32> list<int64>, list<float> and list<double> at present.

Types of changes

What types of changes does your code introduce to GraphAr?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• I have read the CONTRIBUTING doc
• I have signed the CLA
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

close issue #287
related to #169

[acezen]

hi，@lixueclaire , Do you want to give this a review?

[lixueclaire]

hi，@lixueclaire , Do you want to give this a review?

OK, I'll have a look right now.