Improved structure and added basics for database module

src/sh_edraft/database/model/database_settings_name.py

@@ -0,0 +1,10 @@
+from enum import Enum
+
+
+class DatabaseSettingsName(Enum):
+
+    connection_string = 'ConnectionString'
+    credentials = 'Credentials'
+    encoding = 'Encoding'
+    case_sensitive = 'CaseSensitive'
+    echo = 'Echo'