feat: Add Fichero D11s thermal label printer support with REST API and CLI

- Implemented a new module for the Fichero D11s thermal label printer, including BLE and Classic Bluetooth interfaces.
- Created a REST API using FastAPI to manage printer status, info, and printing tasks (text and images).
- Developed a CLI for direct printer interaction, allowing users to print text and images, check status, and modify settings.
- Added image processing capabilities for converting text and images to the required format for printing.
- Introduced error handling for printer operations and connection management.
- Included a shell script for running the API server with configurable parameters.
- Added English translations for configuration options.
- Created a repository metadata file for project management.

fichero_printer/fichero/__init__.py

@@ -0,0 +1,25 @@
+"""Fichero D11s thermal label printer - BLE + Classic Bluetooth interface."""
+
+from fichero.printer import (
+    RFCOMM_CHANNEL,
+    PrinterClient,
+    PrinterError,
+    PrinterNotFound,
+    PrinterNotReady,
+    PrinterStatus,
+    PrinterTimeout,
+    RFCOMMClient,
+    connect,
+)
+
+__all__ = [
+    "RFCOMM_CHANNEL",
+    "PrinterClient",
+    "PrinterError",
+    "PrinterNotFound",
+    "PrinterNotReady",
+    "PrinterStatus",
+    "PrinterTimeout",
+    "RFCOMMClient",
+    "connect",
+]