opentrench v0.7.0

• Website columns: pages inside a column can use the clipboard, so their copy buttons (a contract address, say) work instead of reporting the clipboard unavailable. Cross-origin frames get no clipboard access unless the host grants it; the column now does.
• The Add/Edit column dialog keeps one size whatever type you pick (bot types used to shrink it), and the type picker is a grid of cards, each with an icon, its name and a line on what it shows.
• Right-click a message for its menu: a strip of quick reactions, Reply, jump to the message it answers, open its chat, copy the text, copy or open the original link on Discord or Telegram, and the token menu (open, buy, research, copy) for any contract it mentions. A contract address keeps its own right-click.
• Fix: a column could not be dropped onto a Website column (or stacked under it). The embedded page swallowed the drag, so only the header strip accepted a drop. Embedded pages and chart embeds now ignore the pointer while a column is being dragged.
• Website columns come with two ready picks, MintGo (mintgo.fun) and Smart Money (smartmoney.sh), plus Custom for any address. Picking one fills the title; a typed title stays.