Most example links are broken

## Most Example Links are broken

Most Brain.js example links are broken
It looks like the issue stems from /master/examples/ folder having been deleted on the current branch

- Node Steams
example link is broken on https://brain.js.org/#/examples which should go to: https://github.com/BrainJS/brain.js/blob/master/examples/javascript/stream-example.js

-Forcasting
example link is broken on https://brain.js.org/#/examples which should go to:
https://github.com/BrainJS/brain.js/blob/master/examples/javascript/predict-numbers.js

-Maths
example link is broken on https://brain.js.org/#/examples which should go to:
https://github.com/BrainJS/brain.js/blob/master/examples/javascript/learn-math.js

-CrossValidate
example link is broken on https://brain.js.org/#/examples which should go to:
https://github.com/BrainJS/brain.js/blob/master/examples/javascript/cross-validate.js

-GpuAI
example link is broken on https://brain.js.org/#/examples which should go to:
https://github.com/BrainJS/brain.js/blob/master/examples/javascript/gpu.html

-Cryotherapy
example link is broken on https://brain.js.org/#/examples which should go to:
https://github.com/iSumitBanik/Cryotherapy-Success-Rate

-RockPaperScissors
example link is broken on https://brain.js.org/#/examples which should go to:
https://github.com/arifikhsan/batu-gunting-kertas-nuxt

The GitHub repo mentions https://github.com/BrainJS/brain.js-examples/blob/main/src/cross-validate.ts as a source. so maybe updating the links or changing the source will fix the issue