[EPIC] Update v3 Documentation

**Description:**
Wolf has significant architecture, api and functionality that. The documentation requires an update/re-write from the existing v2 docs.

**Acceptance Criteria:**
* Updates to
  * main readme.md
  * wiki
    * roadmap
    * stages/architecture
    * Add adapter sections with links to separate repos (koa, express, BF)
  * contributing/conduct