Extract LinkedIn Activity
**Input** : people profile url or company profile url
**Output** : list of posts published by the person / the company (depending on input)
(Note : an LinkedIn ad is considered as post)
```
post_schema = {
"post_url" :"",
"post_content" :"", // text content
"post_media_url": "", // can be an image or a video
"number_likes": "",
"number_comments" : "",
"profile_url":"", // profile url of the person who posted
"company_url":"", // company url of the company who posted
"promoted_post" : "", // true or false
"date" : "" // string date
}
```