refactor: remove restic timers, add scripts/configs, update docs

- resticprofile: remove all schedules (manual backups via backup-menu)
- resticprofile: fix hardcoded /home/ada paths → ~/
- proj(): find git repos by .git presence up to depth 4
- bootstrap.sh: add fzf, fd, bat, ripgrep, kitty, htop to packages
- README.md: rewrite for chezmoi (remove stow references)
- add: htoprc, betterbird_up.sh, kitty_up.sh, tg_up.sh

dot_local/bin/tg_up.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+WID=$(kdotool search --name "Telegram" | head -1)
+
+if [ -n "$WID" ]; then
+  kdotool windowactivate "$WID"
+else
+  org.telegram.desktop &
+fi