refactor: created src/data, src/endpoints, and src/lib as well as move appropriate files into them

Deleted the empty Data folder that I created by accident in the wrong directory. Created src/data, src/endpoints, and src/lib as well as move appropriate files into them

Create src/lib folder

Create src/data folder

Create src/endpoints folder

Move items.js into src/data

Move endpoints.js into src/endpoints

Move config.js into src/lib

Move logger.js into src/lib

Move database.js into src/lib