feat: add support for create range

[cvng]

What kind of change does this PR introduce?

add support for create range

What is the current behavior?

panics

What is the new behavior?

parser returns

View log

CreateRangeStmt { type_name: [ Node { node: Some( String( String { sval: "type1", }, ), ), }, ], params: [ Node { node: Some( DefElem( DefElem { defnamespace: "", defname: "subtype", arg: Some( Node { node: Some( TypeName( TypeName { names: [ Node { node: Some( String( String { sval: "int4", }, ), ), }, ], type_oid: 0, setof: false, pct_type: false, typmods: [], typemod: -1, array_bounds: [], location: 38, }, ), ), }, ), defaction: DefelemUnspec, location: 28, }, ), ), }, ], }

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