GitLab

* style(imports): fix import formatting

Fix import formatting via script. Also add script for import fixes and release log

* docs(CHANGELOG): add changelog, contributing

Add the changelog and a contributing guidelines doc

Adds callbacks to manage connections, also removes network receiver methods from public graphsync
interface, and updates libp2p to handle go-libp2p-core refactor

Complete functionality to initialize response manager and process incoming requests

fix #7, fix #8

Refactor peer manager to handle abstract processes, then use the base class for the peer message
manager and the peer response manager