core: start notifying about import start on project load

rhodecode/__init__.py

@@ -19,10 +19,14 b''
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import os
+import platform
+import datetime
+
 from collections import OrderedDict
 
-import sys
-import platform
+now = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f")
+
+print(f'{now} Starting RhodeCode imports...')
 
 VERSION = tuple(open(os.path.join(
     os.path.dirname(__file__), 'VERSION')).read().split('.'))