chore: release v0.19.2

wiki/README-PUBLISHING.md

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+# Publishing this wiki to GitHub
+
+These files are the source for the **OpsLog GitHub Wiki**. GitHub stores a wiki
+as its own git repository (`<repo>.wiki.git`), so publishing means pushing these
+`.md` files into it.
+
+## Automatic — via the release script (recommended)
+
+The release task (`.vscode/release.ps1`, VS Code → *Tasks: Run Task* → *Release
+OpsLog*) **publishes the wiki automatically** at the end of every release: it
+clones `github.com/GregTroar/OpsLog.wiki.git` to a temp folder, copies every page
+from this `wiki/` folder (except this guide), and pushes only if something
+changed. Auth reuses your GitHub git credential (set up by `gh auth login`).
+
+**One-time:** on GitHub, open the repo → **Wiki** tab → *Create the first page* →
+Save. This initialises the wiki repo so the script's clone succeeds.
+
+## Manual (if you want to push between releases)
+
+```bash
+# One-time: clone the wiki repo NEXT TO the project (not inside it)
+git clone https://github.com/GregTroar/OpsLog.wiki.git
+
+# Then, to update:
+cp wiki/*.md ../OpsLog.wiki/          # (skip README-PUBLISHING.md if you like)
+cd ../OpsLog.wiki
+git add . && git commit -m "Update wiki" && git push
+```
+
+The pages appear immediately under the repository's **Wiki** tab.
+
+## How the pages work
+
+- Each `.md` file is one wiki page. The **file name** becomes the page title and
+  URL: `Getting-Started.md` → page *Getting Started* at `.../wiki/Getting-Started`.
+- **`_Sidebar.md`** renders as the navigation sidebar on every page.
+- **`_Footer.md`** renders at the bottom of every page.
+- Link between pages with `[[Page Name]]` (wiki-link) or a normal relative link
+  `[text](Getting-Started)`.
+- `Home.md` is the wiki landing page.
+
+## Keep it in sync with the README
+
+The wiki mirrors [`README.md`](../README.md). When you add a feature, update the
+matching wiki page and the README together so they don't drift.