design the orchestrator and all the different processes that will be involved. Those components will then propagate to the API handlers and the ETL steps.
Make the process Asyncronous and parallelized so that it doesn't take years
[x] Add an "All" argument to get or refresh all tickers
[x] add Exceptions for incorrect CLI arguments/flags #16
[x] if/then logic to utilize all the CLI arguments
[x] figure out appropriate multiprocessing/asyncio
design the orchestrator and all the different processes that will be involved. Those components will then propagate to the API handlers and the ETL steps.
Make the process Asyncronous and parallelized so that it doesn't take years
(Need to make sure you cannot "remove all")