* Parse indicies
* Add parsed offset indices
* Add parsed column indices
* Test readColumnIndex and readOffsetIndex
* Add more parsed offset indices
* Remove unnecessary toJson when loading expected results
* Add length checks to convertMetadata
* Rename indicies.js to indexes.js
* Rename indices.test.js to indexes.test.js
* Rename *_indices.json to *_indexes.json
* Use asyncBufferFromFile in indexes.test.js
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Co-authored-by: Brian Park <park-brian@users.noreply.github.com>