Improved project structure

src/sh_edraft/hosting/base/__init__.py

@@ -0,0 +1,2 @@
+# imports:
+from .application_host_base import ApplicationHostBase

src/sh_edraft/hosting/base/application_host_base.py

@@ -0,0 +1,22 @@
+from abc import ABC, abstractmethod
+from datetime import datetime
+
+
+class ApplicationHostBase(ABC):
+
+    @abstractmethod
+    def __init__(self): pass
+
+    @property
+    @abstractmethod
+    def start_time(self) -> datetime: pass
+
+    @start_time.setter
+    def start_time(self, start_time: datetime): pass
+
+    @property
+    @abstractmethod
+    def end_time(self): pass
+
+    @end_time.setter
+    def end_time(self, end_time: datetime): pass