Review links lead nowhere

[StackOverflowIsBetterThanAnyAI]

Hey, I did not check all, but most links which are leading to the source inside the Review section of the README lead nowhere beacuse they have either been deleted or the original source no longer exists at that specific location.
#623 #629

[StackOverflowIsBetterThanAnyAI]

eg.: https://blog.nativescript.org/details/free-book-typescript-deep-dive should be: https://blog.nativescript.org/free-book-typescript-deep-dive/

[StackOverflowIsBetterThanAnyAI]

all gitbook sources are redirected to a landing page

[StackOverflowIsBetterThanAnyAI]

this one is no longer available: https://twitter.com/thebabellion/status/779888195559235584

[StackOverflowIsBetterThanAnyAI]

also no longer available: https://twitter.com/markuse1501/status/799116176815230976

[StackOverflowIsBetterThanAnyAI]

no longer available: https://twitter.com/ericliprandi/status/857608837309677568

[StackOverflowIsBetterThanAnyAI]

no longer available: https://twitter.com/stevealee/status/953953255968698368