replace README.md frameworks comparison table with mermaid bars chart

README.md

@@ -40,17 +40,20 @@ Yes! Flight is fast. It is one of the fastest PHP frameworks available. You can
 
 See the benchmark below with some other popular PHP frameworks. This is measured in requests processed within the same timeframe. 
 
-| Framework | Plaintext Requests| JSON Requests|
-| --------- | ------------ | ------------ |
-| Flight      | 190,421    | 182,491 |
-| Yii         | 145,749    | 131,434 |
-| Fat-Free    | 139,238	   | 133,952 |
-| Slim        | 89,588     | 87,348  |
-| Phalcon     | 95,911     | 87,675  |
-| Symfony     | 65,053     | 63,237  |
-| Lumen	      | 40,572     | 39,700  |
-| Laravel     | 26,657     | 26,901  |
-| CodeIgniter | 20,628     | 19,901  |
+```mermaid
+---
+config:
+  xyChart:
+    xAxis:
+    yAxis:
+    showDataLabel: true
+---
+xychart
+  title "Rendimiento de Frameworks PHP (miles de solicitudes/seg)"
+  x-axis "Framework" ["Flight", "Yii", "Fat-Free", "Slim", "Phalcon", "Symfony", "Lumen", "Laravel", "CodeIgniter"]
+  y-axis "Solicitudes (x1000)" 0 --> 200
+  bar [190.4, 145.7, 139.2, 89.6, 95.9, 65.1, 40.6, 26.7, 20.6]
+```
 
 ## Skeleton App