feat: add cluster auditing, management, and upgrade scripts

scripts/check_semaphore_stable.py

@@ -0,0 +1,9 @@
+import urllib.request
+import json
+
+url = "https://hub.docker.com/v2/repositories/semaphoreui/semaphore/tags?page_size=100"
+req = urllib.request.Request(url, headers={'User-Agent': 'Mozilla/5.0'})
+with urllib.request.urlopen(req, timeout=5) as resp:
+    data = json.loads(resp.read().decode())
+    ga_tags = [t['name'] for t in data.get('results', []) if not any(x in t['name'] for x in ['-rc', '-beta', '-alpha', '-debug', 'latest'])]
+    print("Semaphore GA tags:", ga_tags[:10])