Create the StuffCollection.

[cammoore]

Example issue related to a user story.

Please do work for this task in a branch called issue-002.
Related to user story #1.

Create the StuffCollection with the following schema

{
      name: String,
      quantity: Number,
      owner: String,
      condition: {
        type: String,
        allowedValues: stuffConditions,
        defaultValue: 'good',
      },
 }