Integrate a https/S3 extension

DuckDB folks implemented an extremely nice HTTPS extension: https://duckdb.org/docs/extensions/httpfs.html.

Let's figure out how to add one to libSQL as well. DuckDB's syntax: SELECT * FROM 'https://domain.tld/file.extension sounds extremely self-explanatory and useful, so I suggest we just follow suit. Perhaps by having a special built-in VFS implementation capable of reading files from https, and reading+writing to S3 endpoints. Then, the syntax "SELECT * from 'url'" can transparently use this VFS.