feat(brand): logo AR Electronics + paleta oficial de marca

- Agrega display/assets/images/ar_logo_full.png (logo versión navy)
- Agrega display/assets/brand/brand_colors.json (paleta oficial AR Electronics)
- Actualiza pubspec.yaml para incluir los nuevos assets

AR_electronics — AR-Autopilot Project

display/assets/brand/brand_colors.json

@@ -0,0 +1,46 @@
+{
+  "_comment": "AR Electronics — Paleta oficial de marca. Usar en todas las apps.",
+  "_version": "1.0.0",
+
+  "background": {
+    "primary":   "#0D1B2A",
+    "secondary": "#1A2744",
+    "card":      "#162035",
+    "surface":   "#1E2D47"
+  },
+
+  "accent": {
+    "blue_electric": "#2563EB",
+    "blue_neon":     "#4A9FE8",
+    "blue_dark":     "#1A47A8",
+    "blue_glow":     "#60B8FF"
+  },
+
+  "text": {
+    "primary":   "#E2E8F0",
+    "secondary": "#A8B5C4",
+    "muted":     "#6B7A8D",
+    "on_accent": "#FFFFFF"
+  },
+
+  "status": {
+    "ok":      "#22C55E",
+    "warning": "#F59E0B",
+    "alarm":   "#EF4444",
+    "info":    "#4A9FE8"
+  },
+
+  "metallic": {
+    "silver_light": "#C8D2DC",
+    "silver_mid":   "#A8B5C4",
+    "silver_dark":  "#6B7A8D"
+  },
+
+  "flutter": {
+    "_comment": "Valores listos para copiar en ThemeData de Flutter",
+    "primaryColor":        "0xFF2563EB",
+    "scaffoldBackground":  "0xFF0D1B2A",
+    "cardColor":           "0xFF162035",
+    "accentColor":         "0xFF4A9FE8"
+  }
+}

display/pubspec.yaml

@@ -21,3 +21,7 @@ dev_dependencies:
 
 flutter:
   uses-material-design: true
+
+  assets:
+    - assets/images/ar_logo_full.png
+    - assets/brand/