feat(rail-ads): Add more format options with multiple widths

- Added width options: 130px, 140px, 150px, 160px, 300px, 400px, 500px, 600px
- Each width has multiple height options (300, 400, 500, 600, etc.)
- Total of 31 format combinations available
- Updated Schema, Renderer and FormBuilder

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Schemas/adsense-placement.json

@@ -226,14 +226,36 @@
           "default": "skyscraper",
           "editable": true,
           "options": {
-            "slim-small": "Slim Small (160x300)",
-            "slim-medium": "Slim Medium (160x400)",
-            "slim-large": "Slim Large (160x500)",
-            "skyscraper": "Skyscraper (160x600)",
-            "slim-xlarge": "Slim XLarge (160x700)",
-            "wide-skyscraper": "Wide Skyscraper (160x800)",
-            "half-page": "Half Page (300x600)",
-            "large-skyscraper": "Large Skyscraper (300x1050)"
+            "w130-h300": "130x300",
+            "w130-h400": "130x400",
+            "w130-h500": "130x500",
+            "w130-h600": "130x600",
+            "w140-h300": "140x300",
+            "w140-h400": "140x400",
+            "w140-h500": "140x500",
+            "w140-h600": "140x600",
+            "w150-h300": "150x300",
+            "w150-h400": "150x400",
+            "w150-h500": "150x500",
+            "w150-h600": "150x600",
+            "slim-small": "160x300",
+            "slim-medium": "160x400",
+            "slim-large": "160x500",
+            "skyscraper": "160x600 (Skyscraper)",
+            "slim-xlarge": "160x700",
+            "wide-skyscraper": "160x800",
+            "w300-h250": "300x250 (Medium Rectangle)",
+            "half-page": "300x600 (Half Page)",
+            "large-skyscraper": "300x1050 (Large Skyscraper)",
+            "w400-h300": "400x300",
+            "w400-h400": "400x400",
+            "w400-h600": "400x600",
+            "w500-h300": "500x300",
+            "w500-h400": "500x400",
+            "w500-h600": "500x600",
+            "w600-h300": "600x300",
+            "w600-h400": "600x400",
+            "w600-h600": "600x600"
           },
           "description": "Tamano del anuncio en los rails laterales"
         },