fix(loki.config): prevent test failure from known failing URLs in examples

[Anxhul10]

closes #499
his PR adds a fetchFailIgnore config in examples/react/loki.config.js to avoid test failures caused by expected fetch failures from:

http://localhost:1234/get

http://192.168.29.108:6006/runtime-error

These are used in specific stories to simulate fetch failures or runtime issues, but currently cause the visual tests to fail by defaut

current output

Connected!
 PASS  chrome.docker/chrome.laptop/isLokiRunning()
 PASS  chrome.docker/chrome.laptop/Fetch Components
 PASS  chrome.docker/chrome.laptop/Decorators
 PASS  chrome.docker/chrome.laptop/Media
 PASS  chrome.docker/chrome.laptop/CSF
 PASS  chrome.docker/chrome.laptop/Animation
 PASS  chrome.docker/chrome.laptop/Text
 PASS  chrome.docker/chrome.laptop/FocusedInput
 PASS  chrome.docker/chrome.laptop/Asynchronous render
 PASS  chrome.docker/chrome.laptop/Hover
 PASS  chrome.docker/chrome.laptop/Long Element
 PASS  chrome.docker/chrome.laptop/Positions
 PASS  chrome.docker/chrome.laptop/Multiple elements
 PASS  chrome.docker/chrome.laptop/Zero height
 PASS  chrome.docker/chrome.iphone7/isLokiRunning()
 PASS  chrome.docker/chrome.iphone7/Fetch Components
 PASS  chrome.docker/chrome.iphone7/Decorators
 PASS  chrome.docker/chrome.iphone7/Media
 PASS  chrome.docker/chrome.iphone7/CSF
 PASS  chrome.docker/chrome.iphone7/Animation
 PASS  chrome.docker/chrome.iphone7/Text
 PASS  chrome.docker/chrome.iphone7/FocusedInput
 PASS  chrome.docker/chrome.iphone7/Asynchronous render
 PASS  chrome.docker/chrome.iphone7/Hover
 PASS  chrome.docker/chrome.iphone7/Long Element
 PASS  chrome.docker/chrome.iphone7/Positions
 PASS  chrome.docker/chrome.iphone7/Multiple elements
 PASS  chrome.docker/chrome.iphone7/Zero height
 PASS  chrome.docker/chrome.a4/isLokiRunning()
 PASS  chrome.docker/chrome.a4/Fetch Components
 PASS  chrome.docker/chrome.a4/Decorators
 PASS  chrome.docker/chrome.a4/Media
 PASS  chrome.docker/chrome.a4/CSF
 PASS  chrome.docker/chrome.a4/Animation
 PASS  chrome.docker/chrome.a4/Text
 PASS  chrome.docker/chrome.a4/FocusedInput
 PASS  chrome.docker/chrome.a4/Hover
 PASS  chrome.docker/chrome.a4/Asynchronous render
 PASS  chrome.docker/chrome.a4/Long Element
 PASS  chrome.docker/chrome.a4/Positions
 PASS  chrome.docker/chrome.a4/Multiple elements
 PASS  chrome.docker/chrome.a4/Zero height
 PASS  chrome.docker
Done in 30.68s.

[Anxhul10]

Integration tests: CLI will fails due to usign sb cmd to run storybook which is outdated