Readme contains links to unavailable or paid resources

Recheck the links in your readme please. Some of them refer to pages which don't exist anymore, some liks refer to pages behind paywall (and this paywall is even not mentioned). For example:
https://betterprogramming.pub/creating-a-radar-chart-in-swift-5791afcf92f0

Start by reviewing the repository README and checking the linked Swift resource at betterprogramming.pub/creating-a-radar-chart-in-swift-5791afcf92f0. Audit the README links for unavailable or paywalled pages, noting paywalls where links remain; done means the listed links are reachable or clearly identified for readers.

Written by the indexing model from the issue text.