index.md: add screenshot

Also add a page describing the screenshot, e.g. that xfce4-panel and
pcmanfm-qt --desktop are used.

Author: johanmalm

deploy/img/scrot0-landing-page-small.png

@@ -5,8 +5,12 @@ It is lightweight and independent with a focus on simply stacking windows well,
 and rendering some window decorations. It relies on clients for panels,
 screenshots, wallpapers, and so on to create a full desktop environment.
 
-- [Screenshots](screenshots.html)
-- [Videos](videos.html)
+[<a href="screenshots.html">screenshots</a>]
+[<a href="videos.html">videos</a>]
+
+<a href="obligatory-screenshot2.html">
+  <img src="img/scrot0-landing-page-small.png" width="640" height="360" />
+</a>
 
 [Wayland]: https://wayland.freedesktop.org/
 [Openbox]: http://openbox.org/

deploy/img/scrot0-landing-page.png

@@ -0,0 +1,77 @@
+# Obligatory Screenshot
+
+The screenshot was created with the following desktop components and themes:
+
+1. [pcmanfm-qt --desktop](https://github.com/lxqt/pcmanfm-qt) for the background color (`#161616`) and desktop icons
+2. [xfce4-panel]
+3. [labwc-tweaks] configuration tool
+4. [labwc-menu-generator] to generate the content for the built-in compositor menu
+5. [labTeallach] compositor theme
+6. [WhiteSur-opaqueDark] Kvantum theme for Qt applications
+7. [Papirus] icon theme
+
+[pcmanfm-qt --desktop]: https://github.com/lxqt/pcmanfm-qt
+[xfce4-panel]: https://gitlab.xfce.org/xfce/xfce4-panel
+[labwc-tweaks]: https://github.com/labwc/labwc-tweaks
+[labwc-menu-generator]: https://github.com/labwc/labwc-menu-generator
+[labTeallach]: https://github.com/labwc/labwc-themes/tree/master/labTeallach/labwc
+[WhiteSur-opaqueDark]: https://github.com/vinceliuice/WhiteSur-kde/tree/master/Kvantum/WhiteSur-opaque
+[Papirus]: https://github.com/PapirusDevelopmentTeam/papirus-icon-theme
+
+Full size image <a href="img/scrot0-landing-page.png">here</a>
+
+The compositor root-menu was defined by the files below.
+
+`~/.config/labwc/menu.xml`
+
+```
+<openbox_menu>
+  <menu id="root-menu" label="" execute="menu.sh"/>
+</openbox_menu>
+```
+
+`~/bin/menu.sh`
+
+```
+#!/bin/sh
+
+printf '%b\n' '
+<openbox_pipe_menu>
+
+  <item label="Web Browser" name.action="Execute" command.action="firefox" icon="firefox" />
+  <item label="Terminal" name.action="Execute" command.action="foot" icon="utilities-terminal" />
+  <item label="File Manager" name.action="Execute" command.action="pcmanfm-qt" icon="system-file-manager" />
+  <item label="Tweaks" name.action="Execute" command.action="labwc-tweaks" icon="configure" />
+
+  <separator />'
+
+labwc-menu-generator -b -I -t foot
+
+printf '%b\n' '
+  <separator />
+
+  <menu id="help" label="Help" icon="help">
+    <separator label="Online Help" />
+    <item label="labwc.github.io" name.action="Execute" command.action="firefox https://labwc.github.io" icon="applications-development-web" />
+
+    <separator label="Man Pages" />
+    <item label="labwc(1)" name.action="Execute" command.action="firefox https://labwc.github.io/labwc.1.html" icon="deepin-manual" />
+    <item label="labwc-config(5)" name.action="Execute" command.action="firefox https://labwc.github.io/labwc-config.5.html" icon="deepin-manual" />
+    <item label="labwc-theme(5)" name.action="Execute" command.action="firefox https://labwc.github.io/labwc-theme.5.html" icon="deepin-manual" />
+    <item label="labwc-menu(5)" name.action="Execute" command.action="firefox https://labwc.github.io/labwc-menu.5.html" icon="deepin-manual" />
+    <item label="labwc-actions(5)" name.action="Execute" command.action="firefox https://labwc.github.io/labwc-actions.5.html" icon="deepin-manual" />
+    <item label="labnag(1)" name.action="Execute" command.action="firefox https://labwc.github.io/labnag.1.html" icon="deepin-manual" />
+  </menu>
+
+  <menu id="Preferences" label="Preferences" icon="applications-engineering">
+    <item label="Edit rc.xml" name.action="Execute" command.action="featherpad ~/.config/labwc/rc.xml" icon="text-x-generic" />
+    <item label="Edit autostart" name.action="Execute" command.action="featherpad ~/.config/labwc/autostart" icon="text-x-generic" />
+  </menu>
+
+  <menu id="Exit" label="Exit" icon="application-exit">
+    <item label="Reconfigure" name.action="Reconfigure" icon="labwc" />
+    <item label="Logout" name.action="Exit" icon="application-exit" />
+  </menu>
+
+</openbox_pipe_menu>'
+```