docs: ✏️ update documentation for pentestgpt design

utils/spinner.py

@@ -0,0 +1,31 @@
+import sys
+import threading
+import itertools
+import time
+
+
+class Spinner:
+    def __init__(self, message="Loading...", delay=0.1):
+        self.spinner = itertools.cycle(["-", "/", "|", "\\"])
+        self.delay = delay
+        self.message = message
+        self.running = False
+        self.spinner_thread = None
+
+    def spin(self):
+        while self.running:
+            sys.stdout.write(next(self.spinner) + " " + self.message + "\r")
+            sys.stdout.flush()
+            time.sleep(self.delay)
+            sys.stdout.write("\b" * (len(self.message) + 2))
+
+    def __enter__(self):
+        self.running = True
+        self.spinner_thread = threading.Thread(target=self.spin)
+        self.spinner_thread.start()
+
+    def __exit__(self, exc_type, exc_value, exc_traceback):
+        self.running = False
+        self.spinner_thread.join()
+        sys.stdout.write("\r" + " " * (len(self.message) + 2) + "\r")
+        sys.stdout.flush()