out_s3: Add a description for pure C parquet#2111

cosmo0920 wants to merge 5 commits intomasterfluent/fluent-bit-docs:masterfrom

cosmo0920-add-parquet-c-description-for-out_s3fluent/fluent-bit-docs:cosmo0920-add-parquet-c-description-for-out_s3Copy head branch name to clipboard