feat(pyvtt): add CI pipeline and restructure project

- Add GitHub Actions workflow for building and publishing packages.
- Introduce `pyproject.toml` for project metadata and dependency management.
- Remove `requirements.txt` in favor of Poetry for dependency handling.
- Restructure source files under `src/pyvtt` for better organization.
- Enhance `notify.py` with sound playback and improve error handling.
- Update `voice_to_text_tray.py` to support dynamic configuration reload.
- Add `.vscode/settings.json` for improved IDE configuration.
- Update `.gitignore` to exclude build artifacts.

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

src/pyvtt/configuration.py

@@ -0,0 +1,23 @@
+import json
+import os
+
+def read_configurations():
+    """
+    Reads the configuration settings from a JSON file named 'pyvtt.settings.json' 
+    located in the same directory as the script.
+
+    Returns:
+        dict: The configuration settings loaded from the JSON file.
+
+    Raises:
+        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:
+            return json.load(f)
+    except Exception as e:
+        print(f"Error reading configurations: {e}")
+        raise Exception(f"Error reading configurations: {e}")