Display crops and their pests in the correct area

[lucyewright]

Time Est. 2 hours As a user, I want to be able to visualise a summary of all the crops and pests available for my area Acceptance criteria:

• [x] Display all information about a specific area
• [x] Show which crops are likely to be grown in this area
• [x] Indicate which pests are a danger to each crop
• [x] Illustrate the risk level for each of these pests