Surface personal-timeline template and 'ideal setup' workflow

Restructure dataset card around 3-step magic-prompt install

Add hero banner image reference to dataset card

Add hero banner image

Add hero subtitle to dataset card

Update dataset card title to 'Sibo Reddit Research Database'

Rewrite dataset card for non-technical readers

Add zstd-compressed reddit.db (1.86 GB, 66% smaller download than reddit.db)

Add reddit.db (18 subs, 695k posts, 7.2M comments)

Add reddit.db.zst SHA-256 (1.86 GB, 66% smaller)

Add SHA-256 checksums

Update dataset card: 18 subs, security notes, intended/prohibited use

Add dataset README

initial commit