docs: consolidate Parquet and Iceberg documentation into one page each - #7090

docs: consolidate Parquet and Iceberg documentation into one page each#7090

andygrove merged 3 commits into

apache:mainapache/datafusion-comet:mainfrom

andygrove:docs-parquet-iceberg-pagesandygrove/datafusion-comet:docs-parquet-iceberg-pagesCopy head branch name to clipboard