Docs: Uploaded a logo for Goblin.

README.md

-# [aiogremlin](https://pypi.python.org/pypi/aiogremlin/3.2.4)
+# ![Goblin logo](https://git.qoto.org/goblin-ogm/goblin/uploads/bb8f7349fdb9aa2a7a244e4c95b380a7/goblin-logo.png)  AIO Gremlin
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 [![tests](http://git.qoto.org/goblin-ogm/aiogremlin/badges/master/pipeline.svg)](http://git.qoto.org/goblin-ogm/aiogremlin/commits/master)
 [![Requirements](https://requires.io/github/goblin-ogm/aiogremlin/requirements.svg?branch=master)](https://requires.io/github/goblin-ogm/aiogremlin/requirements/?branch=master)
 [![test coverage](http://git.qoto.org/goblin-ogm/aiogremlin/badges/master/coverage.svg)](http://git.qoto.org/goblin-ogm/aiogremlin/commits/master)