introduce 'to_home' and systemd user services

- frappy is now a systemd user service
- add 'frappy' and 'boxweb' bash function

to_home/.bash_profile

@@ -0,0 +1,12 @@
+# helper for adding to PATH without duplicates
+pathadd() {
+    if [ -d "$1" ] && [[ ":$PATH:" != *":$1:"* ]]; then
+        PATH="${PATH:+"$PATH:"}$1"
+    fi
+}
+
+pathadd ~/bin
+pathadd ~/.local/bin
+pathadd ~/frappy/bin
+
+. ~/.config/linse_profile