Update README.md

README.md

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 ```
-{"categories":{"pages":"{"current":1,"records":"1","total":"1"},"columns":["id","name"],"records":[["1","Internet"],["3","Web development"]]}}
+{"categories":{"pages":"{"current":1,"records":1,"total":1},"columns":["id","name"],"records":[["1","Internet"],["3","Web development"]]}}
 ```
 
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