v0.11.0

Added

• An examples gallery, published at /gallery.html and linked from the landing page. Five levels
  — species, genomes, sequences, traits, and the joining that couples them — each a short, runnable
  recipe that simulates with ZOMBI2 and plots with Phylustrator (trees via ph.trees, genomes,
  synteny and alignments via ph.genomes). Click any figure for the exact code that reproduces it.
  The source lives in gallery/ (self-contained, like analyses/) and a [gallery] optional extra
  regenerates the page; the landing page's four level cards now link to its per-level sections, with a
  "See the gallery" button beside "Read the docs". (#257)