Image Search Microservice for FreeCodeCamp

User stories:

Example usage (get search results):

https://smg-image-search.herokuapp.com/api/imagesearch/lol%20cats?offset=10

Example output:

[
{
"title": "30 Best LOLcats Ever | SMOSH",
"url": "http://www.bing.com/cr?...",
"thumbnail": "https://tse3.mm.bing.net/th?id=OIP.Mda9713ebc2c4c40254b4a04758166c92o0&pid=Api",
"context": "www.smosh.com/smosh-pit/photos/30-best-lol-cats-ever"
}
,{...}
]

Example usage (get last searches list):

https://smg-image-search.herokuapp.com/api/latest/imagesearch

Example output:

[
{
"searchQuery": "lol cats",
"searchDate": "2017-01-21T10:31:01.431Z"
},
{
"searchQuery": "sad cats",
"searchDate": "2017-01-21T09:43:45.953Z"
}
,{...}
]