add streak-releted basic functionality

streak_bruteforce.py

@@ -0,0 +1,27 @@
+import os
+import time
+
+import django
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "timetracker.settings")
+django.setup()
+
+from common.time import streak_bruteforce
+from games.models import Session
+
+all = Session.objects.filter(timestamp_start__gt="1970-01-01")
+
+data = []
+
+for session in all:
+    current = session.timestamp_start
+    data.append(current.date())
+
+start = time.time_ns()
+start_cpu = time.process_time_ns()
+print(streak_bruteforce(data))
+end = time.time_ns()
+end_cpu = time.process_time_ns()
+print(
+    f"Processed {all.count()} items in {((end - start)/ 1_000_000_000):.10f} seconds and {((end_cpu - start_cpu)/ 1_000_000_000):.10f} seconds of process time."
+)