Moved clog => src/clog

Change is to be compliant with pyproject.toml and hatchling

clog/__init__.py

@@ -1 +0,0 @@
-from ._logger import Logger

src/clog/__init__.py

@@ -0,0 +1 @@
+from clog._logger import Logger

src/clog/_logger.py

@@ -257,7 +257,7 @@ class Logger:     # class redeclaration & initialisation
         _frame = sys._getframe(2) if sys._getframe(1).f_code.co_name in \
             dir(Logger) else sys._getframe(1)
         ## get the executing filename of where log was called
-        _fname = _frame.f_code.co_filename.removeprefix(
+        _fname = _frame.f_code.co_filename.lstrip(
             os.getcwd()).strip('\\/')
         ## generate new header for log file and construct new message
         _val = [*map(str, value)] # convert all objects to string