Entities

1. Item

1.1. Name: String

2. Recipe

2.1. Name: String

2.2. Enabled: Boolean

2.3. Category: String

2.4. Energy: Integer

2.5. Ingredients: [<Item, amount>]

2.6. Products: [<Item, amount>]

3. Factory

3.1. Name: String

3.2. Crafting Speed: Double

3.3. Crafting Categories: [String]

4. Technology

4.1. Name: String

4.2. Prerequisites: [Technology]

4.3. Ingredients: [<Item, amount>]