[APP] Instapaper full API access

**Name of app / service**
Instapaper

**Link to developer documentation**

https://www.instapaper.com/api

**Is lack of support preventing you from moving forward, or do you have a workaround?**

Current implementation is limited to adding articles.

**Are there specific actions or triggers, you'd like to see for this app? Please let us know here or use the Action and Trigger issue templates to open requests for each!**

- Managing OAuth and access to API
- Action: add article with url, add article with private content, retrieve article, retrieve article list
- Trigger: new article