feat: Implement the initial IPSExtractor project structure, including application logic, GUI, core utilities, and documentation.

docs/application/config.md

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+# `application/config.py` y `application/logging_config.py`
+
+## Propósito
+Centralizan configuración (Pydantic Settings) y logging en formato JSON.
+
+## Configuración (`application/config.py`)
+
+### Clases
+- `ApiSettings`: `base_url`, `api_key`, `model`, `request_timeout_s`.
+- `ImagingSettings`: `pdf_dpi`, `pdf_thread_count`, `tiff_pages`, y parámetros judiciales.
+- `RetrySettings`: reintentos y backoff.
+- `AppSettings`: agrega las anteriores y `csv_delimiter`.
+
+Se expone `settings = AppSettings()`. Lee variables desde `.env` (si existe).
+
+### Variables de entorno relevantes
+- `EXTRACTOR_BASE_URL`, `EXTRACTOR_API_KEY`, `EXTRACTOR_MODEL`, `EXTRACTOR_TIMEOUT_S`
+- `PDF_DPI`, `PDF_THREAD_COUNT`, `TIFF_PAGES`
+- `JUDICIAL_FAST_FIND_DPI`, `JUDICIAL_MAIN_DPI`, `JUDICIAL_GRAYSCALE`, `JUDICIAL_VALIDATE_IMAGES`
+- `RETRY_MAX_ATTEMPTS`, `RETRY_WAIT_MIN_S`, `RETRY_WAIT_MAX_S`
+- `CSV_DELIMITER`
+
+## Logging (`application/logging_config.py`)
+Configura loggers rotativos unificados:
+- `logs/ips_extractor.log` (aplicación),
+- `logs/llm.log` (normalización),
+- `logs/api_calls.log` (llamadas a APIs),
+y consola para WARNING+.
+
+### Uso
+```python
+from application.logging_config import configure_logging
+configure_logging()
+```
+
+