Implement the client bulk write command builder.

AC:

• Command builder takes in an array of write models and returns an array of bulk write commands. For this first ticket it will always be one command.
• Implement the new model types:
• ClientInsertOneModel<TSchema>
• ClientUpdateOneModel<TSchema>
• ClientUpdateManyModel<TSchema>
• ClientReplaceOneModel<TSchema>
• ClientDeleteOneModel<TSchema>
• ClientDeleteManyModel<TSchema>
• Command must be in the format:

• {
    bulkWrite: 1,
    ops: DocumentSequence[],
    nsInfo: DocumentSequence[],
    errorsOnly: boolean,
    ordered: boolean,
    bypassDocumentValidation?: boolean,
    comment?: string,
    let?: Document
  }

• Operations must be in the format corresponding to the model and be embedded in an document sequence object with an "ops" key.

• {
    insert: number, // index of the namespace in nsInfo field.
    document: Document
  }
  
  {
    update: number, // index of the namespace in nsInfo field.
    filter: Document,
    updateMods: Document | Document[],
    multi?: boolean,
    upsert?: boolean,
    arrayFilters?: Document[],
    hint?: Document | string
  }
  
  {
    delete: number, // index of the namespace in nsInfo field.
    filter: Document,
    multi?: boolean,
    hint?: Document | string,
    collation?: Document
  }
  

• nsInfo must be a document sequence with an array of unique namespace objects in the format:

• { nsInfo: [{ ns: string }]}

Testing:

Add unit tests that pass a mixture of all available write models and assert that:

• Insert operations are in correct format
• Update operations are in correct format
• Delete operations are in correct format
• nsInfo array does not contain duplicate namespaces
• Indexes in the operations match the correct namespace