API Key

[DanielWGross]

• api.html added
• 3 vex.css files added for dialog pop-ups
• vex.js file added for dialog pop-ups
• dialog.js added for dialog pop-ups
• walmart & ebay.js files modified to use API keys in local storage

[DanielWGross]

The changes need to be merged into master. You approved it and then closed without merging.