centered the checkbox horizontally (#85)

* centered the checkbox horizontally

* fix

Author: carellamartina

src/components/table/hooks.jsx

@@ -142,7 +142,7 @@ const IndeterminateCheckbox = React.forwardRef(
     }, [resolvedRef, indeterminate]);
 
     return (
-      <FormGroup check>
+      <FormGroup check className="d-flex justify-content-center mt-2">
         <Input id={id} type="checkbox" innerRef={resolvedRef} {...rest} />
         {label && <Label check>{label}</Label>}
       </FormGroup>