Add more prominent area to advertise our meetings (#881)

Taking some design tips from the Harbor project, lets use something
similar on Athens.

===

Alter text slightly to read better

I feel that this text reads slightly better than before

===

Don't use the participating section...

Due to a mistake, I used the participating page rather than the
developer meeting page

Signed-off-by: Chris M <millscj01@gmail.com>

README.md

@@ -37,6 +37,11 @@ Speaking of contributing, read on!
 
 # Contributing
 
+|<img src="docs/static/meeting-icon.svg" alt="Developer Meetings" width="20" height="20" />Developer Meetings|
+|------------------|
+|We hold weekly developer meetings on a Thursday, to join them, watch previous meeting recordings or find more information, please see [the docs](https://docs.gomods.io/contributing/community/developer-meetings/). Absolutely everyone is invited to attend these, suggest topics, and participate!|
+</br>
+
 This project is early and there's plenty of interesting and challenging work to do.
 
 If you find a bug or want to fix a bug, we :heart: PRs and issues! If you see an issue

docs/static/meeting-icon.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 48 48"><path d="M34 20H14v4h20v-4zm4-14h-2V2h-4v4H16V2h-4v4h-2c-2.21 0-3.98 1.79-3.98 4L6 38c0 2.21 1.79 4 4 4h28c2.21 0 4-1.79 4-4V10c0-2.21-1.79-4-4-4zm0 32H10V16h28v22zM28 28H14v4h14v-4z"/></svg>