Add a terminal dashboard to get a view on how joshua cluster is doing

[saintstack]

Output looks like this:

 ./joshua_dashboard.sh --context "arn:aws:eks:us-west-2:000000000:cluster/foundationdb-dev"
JOSHUA DASHBOARD 11:27:35  ns:default
arn:aws:eks:us-west-2:000000000:cluster/foundationdb-dev

Scalers
  centos7: Running  rhel9: Running

Queue
  Pending tests: 0
  FDB: centos7=OK rhel9=OK

Agents
  centos7: 0 run, 0 pend, 0 fail, 0 done
  rhel9:   2757 run, 58 pend, 0 fail, 1186 done

Pod Ages
  <1h: 2763  1-6h: 0  6-24h: 0  >24h: 0

Problems
  Completed pods: 1186 (cleanup not running?)


Ensembles
  centos7:
    (none)
  rhel9:
    20260116-190411-XXXX_all2-4ff127945cd2f73f        compressed=True data_size=35674288 duration=1127044 ended=16739 fail_fast=10 max_runs=100000 pass=16739 priority=100 remaining=2:01:41 runtime=0:24:28 sanity=False started=19124 submitted=20260116-190411 timeout=5400 username=XXXX

Nodes (top 5)
    19 0.us-west-2.compute.internal
    19 1.us-west-2.compute.internal
    19 2us-west-2.compute.internal

[johscheuer]

I like the idea, but I think a "proper" language would be better for this.