docs: bring the wiki to v0.9.3 - Every "Unreleased, not in v0.9.2" mark now reads "Added in v0.9.3". - Getting Started and TUIOS vs Others name v0.9.3. The cask note matches the current casks. - New: --server NAME and TUIOS_SERVER, drop a pane on an edge to split with drop_preview and drop_preview_delay, the rail scroll thumb, the New worktree dialog, tuios-web paste and --ctrl-v-to-program, and the cursor colour. - New page: Upgrading to v0.9.3, linked from Home and the sidebar.
docs: add the Phones page for tuios pair and Web Push