Updating .gitignore to ignore vscode directory and fixing a typo

[fcojperez]

…hapter-5/aws/README.md

Changes

• Updating .gitignore file to ignore vscode configuration folder
• Fixing a typo on chapter-5/aws/README.md file

/kind documentation

[salaboy]

@fcojperez thanks a lot for this PR! sorry for not getting back to this earlier