Mark Weave as abandoned (#1218)

Linked repo is archived, website is dead. I left the "(The Docker network)" comment intact but might be good to delete too.

Co-authored-by: Andreas Gebhardt <agebhar1@googlemail.com>

Author: jxtrt

README.md

@@ -233,7 +233,7 @@ _Source:_ [What is Docker](https://www.docker.com/why-docker/)
 -   [MyIP](https://github.com/jason5ng32/MyIP) - All in one IP Toolbox. Easy to check all your IPs, IP geolocation, check for DNS leaks, examine WebRTC connections, speed test, ping test, MTR test, check website availability, whois search and more. By [@jason5ng32](https://github.com/jason5ng32)
 -   [netshoot](https://github.com/nicolaka/netshoot) - The netshoot container has a powerful set of networking tools to help troubleshoot Docker networking issues by [@nicolaka](https://github.com/nicolaka)
 -   [Pipework](https://github.com/jpetazzo/pipework) - Software-Defined Networking for Linux Containers, Pipework works with "plain" LXC containers, and with the awesome Docker. By [@jpetazzo][jpetazzo]
--   [Weave][weave] (The Docker network) - Weave creates a virtual network that connects Docker containers deployed across multiple hosts.
+-   [Weave][weave] (The Docker network) :skull: - Weave creates a virtual network that connects Docker containers deployed across multiple hosts.
 
 ### Orchestration