Ktor API: Exposed Table Joins, API Key Authentication with X-API-KEY

Описание

Links:
* GitHub Source Code: https://github.com/santansarah/ktor-city-api
* Ktor API Key: https://github.com/LukasForst/ktor-api-key
* Ktor Status Pages: https://ktor.io/docs/status-pages.html
* Exposed Wiki: https://github.com/JetBrains/Exposed/wiki
* City info: https://simplemaps.com/data/us-zips

In Part 2, I'll go over:
* Generating an API key
* Exposed table joins
* Ktor API Key Authentication
* Ktor Dynamic Status Pages
* GET API city data