Refactor MedTrackerApp and UI components for improved structure and readability

- Simplified initialization logic in init.py
- Consolidated testing_mode assignment
- Removed unnecessary else statements
- Created UIManager class to handle UI-related tasks
- Modularized input frame creation, table frame creation, and graph frame creation
- Enhanced edit window creation with better organization and error handling
- Updated data management methods to improve clarity and maintainability
- Improved logging for better debugging and tracking of application flow

src/init.py

@@ -4,8 +4,6 @@ from constants import LOG_PATH, LOG_CLEAR, LOG_LEVEL
 
 if not os.path.exists(LOG_PATH):
     os.mkdir(LOG_PATH)
-else:
-    pass
 
 log_files = (
     f"{LOG_PATH}/app.log",
@@ -13,10 +11,7 @@ log_files = (
     f"{LOG_PATH}/app.error.log",
 )
 
-if LOG_LEVEL == "DEBUG":
-    testing_mode = True
-else:
-    testing_mode = False
+testing_mode = LOG_LEVEL == "DEBUG"
 
 logger = init_logger(__name__, testing_mode=testing_mode)
 
@@ -26,10 +21,6 @@ if LOG_CLEAR == "True":
             if os.path.exists(log_file):
                 with open(log_file, "r+") as t:
                     t.truncate(0)
-            else:
-                pass
     except Exception as e:
         logger.error(e)
         raise
-else:
-    pass