DuckDB website

Dozens of problems

1. https://github.com/duckdb/duckdb-web/issues/117 "I'm not familar with Jekyll"
2. https://github.com/duckdb/duckdb-web/issues/488

Suggested fix to many of them, "completed" in 24 min

1. 2023-01-18 16:35 https://github.com/duckdb/duckdb-web/issues/494
   1. 2023-01-18 16:59
      1. We are quite happy with our statically generated website.
      2. @hannes hannes closed this as completed