refactor(configuration): use pathlib for config path handling

- Replace `os` with `pathlib` for defining the default config path.
- Simplify configuration file path management for readability.
- Improve code maintainability by centralizing the default path.

Signed-off-by: Max P. <Mail@MPassarello.de>

src/pyvtt/configuration.py

@@ -1,5 +1,8 @@
 import json
 import os
+from pathlib import Path
+
+DEFAULT_CONFIG_PATH = Path.home() / ".pyvtt.json"
 
 def read_configurations():
     """
@@ -13,10 +16,8 @@ def read_configurations():
         Exception: If there is an error reading or parsing the JSON file, 
                    an exception is raised with the error details.
     """
-    script_dir = os.path.dirname(os.path.abspath(__file__))
-    settings_path = os.path.join(script_dir, "pyvtt.settings.json")
     try:
-        with open(settings_path) as f:
+        with open(DEFAULT_CONFIG_PATH) as f:
             return json.load(f)
     except Exception as e:
         print(f"Error reading configurations: {e}")