docs(docs): update documentation for tool installation and desktop app changes

docs/desktop/fonts-and-apps.mdx

@@ -56,11 +56,12 @@ Victor Mono Nerd Font is installed on every role by `run_onchange_before_10-pack
 | Group | MIME types / schemes | Handler (`.desktop`) |
 | --- | --- | --- |
 | Text and scripts | `text/plain`, `text/x-shellscript`, `text/x-python`, `text/x-script.python` | `vim.desktop` |
+| Notes | `text/markdown`, `application/x-obsidian-canvas`, `application/x-obsidian-base`, `x-scheme-handler/obsidian` | `obsidian.desktop` (`obsidian` from `packages.arch.desktop.pacman`) |
 | Web pages | `text/html`, `application/xhtml+xml`, `application/x-extension-htm`, `-html`, `-shtml`, `-xhtml`, `-xht` | `brave-origin.desktop` |
 | Web links | `x-scheme-handler/http`, `https`, `chrome` | `brave-origin.desktop` |
 | Browser internals | `x-scheme-handler/about`, `unknown` | `chromium.desktop` |
 | PDF | `application/pdf` | `brave-origin.desktop` |
-| Directories | `inode/directory` | `com.thisisgm.flea.desktop` (flea) |
+| Directories | `inode/directory` | `io.github.lgse.Strata.desktop` ([strata](/chezmoi/scripts#15-tools), which also registers the `org.freedesktop.FileManager1` service for "Open file location") |
 | Mail | `x-scheme-handler/mailto` | `omamail.desktop` |
 | Windows executables | `application/vnd.microsoft.portable-executable` | `wine.desktop` |
 | AI tools | `x-scheme-handler/claude` | `com.anthropic.Claude.desktop` |