[JS] Implement fixed width list type

[asfimport]

Implement fixed width list type defined in ARROW-725

Reporter: Brian Hulette / @TheNeuralBit
Assignee: Brian Hulette / @TheNeuralBit

Related issues:

• [JS] Implement JavaScript-compatible implementation (Is contained by)

_{Note: This issue was originally created as ARROW-873. Please see the migration documentation for further details.}

[asfimport]

Wes McKinney / @wesm:
Resolved by PR 22c738c