install with pipx, do not clone .userconfig if already available

install.sh

@@ -1,10 +1,11 @@
 #!/bin/sh
 
-if type pip3 >/dev/null 2>&1; then
-  pip3 install --user git+https://git.lys.is/lysis/pyuserconfig.git
+if type pipx >/dev/null 2>&1; then
+  pipx install git+https://git.lys.is/lysis/pyuserconfig.git
+  if [ ! -e ~/.userconfig ]; then
     git clone git@git.lys.is:lysis/userconfig.git ~/.userconfig
-  mkdir ~/.config
-  PYTHONPATH=~/.local/lib ~/.local/bin/userconfig.py
+  fi
+  userconfig
 else
-  echo "No pip3 installed, cannot proceed."
+  echo "No pipx installed, cannot proceed."
 fi