Implement csv file auto detection

[acquamarin]

As described in duckdb's documentation page:
https://duckdb.org/docs/data/csv/auto_detection
We should have a mechanism to detect the csv parsing options:

1. Detect the dialect of the CSV file (delimiter, quoting rule, escape) (DONE)
2. Detect the types of each of the columns (REFACTORING)
3. Detect whether or not the file has a header row (CONSTRUCTING)

[SterlingT3485]

The Dialect Detection is merged

The Header Detection may involve in refactoring our previous code from stage 2 CSVNameAndTypeSniff.
As the Sniffing of Names should be done independently from the Sniffing of Types, in stage 3.