holding repo for nedb typescript conversion

• Index field with an array value are explicitly not supported.
• Inserting a duplicate key will overwrite the existing key.
• Keys must all be the same data type.

• Retrocompatibility with v0.6 of NeDB and before have been removed

• If a document fails, the old version should be restored. If isUniqueKeys is false and doc 1 and 2 succeed, unique , and #3 fails, docs 1 and 2 are just lost despite already.
• Sparse is no longer an option internally. It was not being used on datastore anyway.
  • TODO: Ensure keys are idempotent - even better, make sure the entire record is idempotent

NOTES: Implicit params: https://www.codeproject.com/Tips/1221966/JavaScript-Functions-Implicit-Parameters