Add section for OSKs

Useful-add-ons-for-sway.md

@@ -157,6 +157,7 @@ Generic launchers for GTK or KDE such as [xfce4-appfinder](https://docs.xfce.org
 * [swayr](https://sr.ht/~tsdh/swayr/) - A urgent-first/LRU window and workspace switcher usable with launcher/menu programs such as wofi.
 
 ## Input Method Editors
+
 * [kime](https://github.com/Riey/kime) - [WIP] Korean IME
 * [wlanthy](https://github.com/st3r4g/wlanthy) - [WIP] simple Wayland-native Japanese input method. Born as a modification of wlhangul.
 * [amthywl](https://github.com/tadeokondrak/anthywl) - [WIP] Japanese input method for sway
@@ -164,7 +165,13 @@ Generic launchers for GTK or KDE such as [xfce4-appfinder](https://docs.xfce.org
 * [wlpinyin](https://github.com/xhebox/wlpinyin) - [WIP] experimental minimal wayland IME for Chinese
 * [wlchewing](https://github.com/xdavidwu/wlchewing) - [WIP] Wayland Chinese zhuyin input method with libchewing
 
+## On-screen keyboards
+
+* [squeekboard](https://gitlab.gnome.org/World/Phosh/squeekboard) - Librem5 keyboard
+* [wvkbd](https://github.com/jjsullivan5196/wvkbd)
+
 ## Locking
+
 * [swayidle](https://github.com/swaywm/swayidle) - An idle daemon for wayland compositors
 * [swaylock](https://github.com/swaywm/swaylock) - a screen locking utility for Wayland compositors
 * [Waylock](https://github.com/ifreund/waylock) - a simple screenlocker for wayland compositors.
@@ -172,6 +179,7 @@ Generic launchers for GTK or KDE such as [xfce4-appfinder](https://docs.xfce.org
 * [mylock](https://gitlab.com/wef/dotfiles/-/blob/master/bin/mylock) - configure swaylock for various use-cases - safe, at-home, movie modes plus auto downloading of images
 
 ## Terminals
+
 * [Alacritty](https://github.com/alacritty/alacritty) - A fast, cross-platform, OpenGL terminal emulator
 * [foot](https://codeberg.org/dnkl/foot/) - A fast, lightweight and minimalistic Wayland terminal emulator
 * [gnome-terminal](https://help.gnome.org/users/gnome-terminal/stable/) - gnome's terminal