Nice little G-Counter
```
% hare run cmd/counter.ha 1 /tmp/crdt1.sock 1
4/4 tasks completed (100%)
waiting for 1 peer(s)...
all peers connected
...
node 1: counter = 15
node 1: counter = 17
node 1: counter = 19
node 1: counter = 20
```
```
% hare run cmd/counter.ha 2 /tmp/crdt2.sock 1 /tmp/crdt1.sock
connected to /tmp/crdt1.sock
waiting for 1 peer(s)...
all peers connected
...
node 2: counter = 14
node 2: counter = 16
node 2: counter = 18
node 2: counter = 20
```



