Add simple script for monitoring svxreflector status

A simple shell script to monitor svxreflector status in the shell.

watch -cn 0.1 ./svxreflector_status.sh

src/svxlink/scripts/svxreflector_status.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+NC='\033[0m'
+
+function print_table()
+{
+  format="%-10s | %6s | %s\n"
+  printf "${GREEN}${format}${NC}" "Callsign" "TG#" "Monitored TGs"
+  echo "------------------------------------------------------------------------"
+
+  status=$(curl -s http://localhost:8080/status)
+  local -a nodes=($(echo "$status" | jq -r '.nodes | keys | .[]'))
+  for node in "${nodes[@]}"; do
+    local -i tg=$(echo "$status" | jq -r ".nodes[\"$node\"].tg")
+    is_talker=$(echo "$status" | jq -r ".nodes[\"$node\"].isTalker")
+    local -a monitored_tgs=($(echo "$status" | jq ".nodes[\"$node\"].monitoredTGs[]"))
+    color=${GREEN}
+    if $is_talker; then
+      color=${RED}
+    fi
+    printf "${color}${format}${NC}" "$node" "$tg" "${monitored_tgs[*]}"
+  done
+}
+
+print_table