add akkoma's (bash scripts i use)

alpine/akkoma/scripts/isitup.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -e
+
+URL="http://127.0.0.1:4000"
+TIMEOUT=120
+INTERVAL=2
+ELAPSED=0
+
+echo "waiting for akkoma to return 200; $URL ..."
+
+while true; do
+  CODE=$(curl -s -o /dev/null -w "%{http_code}" "$URL" || echo "000")
+
+  if [ "$CODE" = "200" ]; then
+    echo "akkoma is up (HTTP $CODE) after ${ELAPSED}s"
+    exit 0
+  fi
+
+  if [ "$ELAPSED" -ge "$TIMEOUT" ]; then
+    echo "timed out ${TIMEOUT}, status: $CODE)"
+    exit 1
+  fi
+
+  echo "  [$ELAPSED s] not ready yet, status: $CODE) ..."
+  sleep "$INTERVAL"
+  ELAPSED=$((ELAPSED + INTERVAL))
+done