* fix: replace sh with shell
fix replace terminal with shell
fix replace node with js
fix replace output with shell
fix replace cs with csharp
fix replace c++ with cpp
fix replace c# with csharp
fix replace javasctipt with js
fix replace syntax with js
fix replace unix with shell
fix replace linux with shell
fix replace java 8 with java
fix replace swift4 with swift
fix replace react.js with jsx
fix replace javascriot with js
fix replace javacsript with js
fix replace c++ - with cpp
fix: corrected various typos
fix: replace Algorithm with nothing
fix: replace xaml with xml
fix: replace solidity with nothing
fix: replace c++ with cpp
fix: replace txt with shell
fix: replace code with json and css
fix: replace console with shell
* Translate challenge subtitles and example challenge text to Spanish
* Corrected errors in syntax and punctuation
* Multiple corrections of it/s to its plus other grammar corrections
* Correction and added paragraph to CSS Flex article
* Corrected my own typo
* Corrected capitalization, American spellings and typos
