EFI: Implement action for contribution

[sheplu]

Motivation

Expectation

Implementation

Status

Part: Technical

Draft

The two main ways to participate in the Express organization is to open issues for bugs or new features or submit a PR. By leveraging GitHub template, we would simplify and standardize the expectation for specific requests and also deter people that would open “spam pr / spam issue”.
By using a template, we could also improve automation to tag / automatically handle this kind of exchanges
Tags PR / issues
Automatic “ping” of group
Automatic review / close
…