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/send_cmd.py

@@ -0,0 +1,52 @@
+import socket
+import sys
+import argparse
+from src.pyvtt.configuration import read_configurations
+
+CONFIGURATION = read_configurations()
+
+def send_cmd(cmd: str, socket_path: str):
+    """
+    Sends a command to a Unix domain socket server.
+
+    This function creates a Unix domain socket, connects to the server
+    specified by the socket_path, and sends the provided command as a
+    UTF-8 encoded string.
+
+    Args:
+        cmd (str): The command to send to the server.
+        socket_path (str): The path to the Unix domain socket.
+
+    Raises:
+        FileNotFoundError: If the socket file specified by socket_path does not exist.
+        ConnectionRefusedError: If the connection to the server is refused.
+        OSError: For other socket-related errors.
+    """
+    try:
+        with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as client:
+            client.settimeout(3)
+            client.connect(socket_path)
+            client.sendall(cmd.encode())
+    except FileNotFoundError:
+        print(f"Error: The socket file '{socket_path}' does not exist.", file=sys.stderr, flush=True)
+    except ConnectionRefusedError:
+        print(f"Error: Connection to the server at '{socket_path}' was refused.", file=sys.stderr, flush=True)
+    except socket.timeout:
+        print("Error: Socket operation timed out.", file=sys.stderr, flush=True)
+    except OSError as e:
+        print(f"Socket error: {e}", file=sys.stderr, flush=True)
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Send a command to a Unix domain socket server."
+    )
+    parser.add_argument(
+        "command",
+        choices=["start", "stop", "toggle"],
+        nargs="?",
+        default="toggle",
+        help="The command to send to the server (default: toggle).",
+    )
+    args = parser.parse_args()
+
+    send_cmd(args.command, CONFIGURATION["socket_path"])