[improve](cdc) add config for uniq index to primary key with create table

[JNSimba]

Proposed changes

Issue Number: close #xxx

Problem Summary:

In cdc create table, add --table-conf convert-uniq-to-pk=true

Checklist(Required)

1. Does it affect the original behavior: (Yes/No/I Don't know)
2. Has unit tests been added: (Yes/No/No Need)
3. Has document been added or modified: (Yes/No/No Need)
4. Does it need to update dependencies: (Yes/No)
5. Are there any changes that cannot be rolled back: (Yes/No)

Further comments

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