[doc]Add document for debug connector
Fixes
Master Issue:
### Motivation
If the current user encounters problems when using the connector, there is not a reasonable debugging process. This document attempts to provide a debugging process for the connector.
### Modifications
* Add debugging document for the connector.
"io-overview",
"io-quickstart",
"io-use",
+ "io-managing",
+ "io-debug",
"io-connectors",
"io-develop",
- "io-cdc",
- "io-debug"
+ "io-cdc"
],
"Pulsar SQL": [
"sql-overview",
