Add OARMP routing engine, dashboard and documentation

- Complete routing engine: ingest, optimizer (CG+B&B), maintenance
  monitor, metrics, pipeline, quality checks
- Streamlit dashboard with Input/Output tab structure, editable data
  editors, interactive Folium map with satellite layer and maintenance
  base highlights, FH stacked bar chart with TTM availability
- CSV data files: AERONAVES, CHECKS, AIRPORTS, ESCALA DE VOO
- README, CONTEXTO and CHANGELOG added
- Remove legacy pre_process scripts and raw binary files (PDFs/xlsx)
- Update .gitignore to exclude outputs/, data/, raw/*.pdf, raw/*.xlsx

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

scripts/01_inspect_inputs.py

@@ -0,0 +1,41 @@
+"""
+Script 01 – Inspect raw input files.
+
+Prints metadata (encoding, separator, column names, sample rows) for every CSV
+in the raw/ folder and saves a JSON report to data/raw_index/.
+"""
+
+import json
+import sys
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT))
+
+from src.routing_engine.config import DEFAULT_CONFIG
+from src.routing_engine.inspect_files import inspect_all
+
+cfg = DEFAULT_CONFIG
+
+print(f"Inspecting files in: {cfg.raw_dir}\n")
+meta = inspect_all(cfg.raw_dir)
+
+for name, info in meta.items():
+    print(f"-- {name} -------------------------------------------")
+    if "error" in info:
+        print(f"   ERROR: {info['error']}")
+        continue
+    print(f"   Encoding  : {info['encoding']}")
+    print(f"   Separator : {repr(info['separator'])}")
+    print(f"   Columns   : {info['columns']}")
+    if info["sample_rows"]:
+        print(f"   First row : {info['sample_rows'][0]}")
+    print()
+
+# Save report
+out = cfg.raw_index_dir / "file_inventory.json"
+cfg.raw_index_dir.mkdir(parents=True, exist_ok=True)
+with open(out, "w", encoding="utf-8") as f:
+    json.dump(meta, f, ensure_ascii=False, indent=2, default=str)
+
+print(f"Report saved -> {out}")