think about duckdb v1.1.0 new C-API

[suketa]

• [ ] duckdb_bind_timestamp_tz
• [ ] duckdb_string_t_data
• [ ] duckdb_string_t_length
• [ ] duckdb_result_error_type
• [ ] duckdb_create_xxx
• [ ] duckdb_get_xxx
• [ ] Scalar functions
• [ ] Aggregate functions
• [ ] Profiling info
• [ ] Table Description
• [x] #810
• [ ] duckdb_column_has_default
• [ ] Cast functions

[vhiairrassary]

Scalar functions PoC, in case someone else wants to have a look at it as well