memo: Update release notes, favicons
## Next
+* Add Favicons to docs. PR <a href="https://github.com/tiangolo/fastapi/pull/53" target="_blank">#53</a>.
+
## 0.6.2
* Introduce new project generator based on FastAPI and PostgreSQL: <a href="https://github.com/tiangolo/full-stack-fastapi-postgresql" target="_blank">https://github.com/tiangolo/full-stack-fastapi-postgresql</a>. PR <a href="https://github.com/tiangolo/fastapi/pull/52" target="_blank">#52</a>.
