disruptor/examples/http: update in-text snippets to match source code (#1250)

This fixes backwards startTimes in load/disrupt scenarios

Author: Roberto Santalla

src/data/markdown/docs/40 xk6-disruptor/04 Examples/02 Inject HTTP faults into Pod.md

@@ -93,17 +93,17 @@ This test defines two [scenarios](https://k6.io/docs/using-k6/scenarios) to be e
             preAllocatedVUs: 10,
             maxVUs: 100,
             exec: "default",
-            startTime: '0s',
+            startTime: "0s",
             duration: "30s",
         },
         disrupt: {
             executor: 'shared-iterations',
             iterations: 1,
             vus: 1,
             exec: "disrupt",
-            startTime: "30s",
-        }
-     }
+            startTime: "0s",
+        },
+    }
  ```
 
  <Blockquote mod="note">
@@ -306,7 +306,7 @@ export const options = {
             preAllocatedVUs: 10,
             maxVUs: 100,
             exec: "default",
-            startTime: '0s',
+            startTime: "0s",
             duration: "30s",
         },
         disrupt: {