replace the old dotfiles with the sakura line rice

The bare $HOME repo is gone. This is now the rice: install.sh, rice-*
scripts in bin/, configs in home/ linked into $HOME, theme templates, st
and the particle wallpaper. Clone to ~/rice and run install.sh.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BLLuuQfeDiqFHHSgd2VWrQ

templates/dunst.conf.tpl

@@ -0,0 +1,29 @@
+# Rendered by rice-theme from colors.toml - edit templates/dunst.conf.tpl instead.
+# Loaded as a drop-in (~/.config/dunst/dunstrc.d/50-theme.conf), so it only
+# carries colours; layout and behaviour live in dunstrc.
+
+[global]
+    font = "{{ font }} 10"
+    icon_theme = "{{ icon_theme }}, Adwaita, hicolor"
+
+[urgency_low]
+    background  = "{{ bg }}{{ alpha_hex }}"
+    foreground  = "{{ fg_alt }}"
+    frame_color = "{{ border }}"
+    highlight   = "{{ dim }}"
+
+[urgency_normal]
+    background  = "{{ bg }}{{ alpha_hex }}"
+    foreground  = "{{ fg }}"
+    frame_color = "{{ border }}"
+    highlight   = "{{ accent }}"
+
+[urgency_critical]
+    background  = "{{ bg }}{{ alpha_hex }}"
+    foreground  = "{{ fg }}"
+    frame_color = "{{ urgent }}"
+    highlight   = "{{ urgent }}"
+
+[osd]
+    frame_color = "{{ accent }}"
+    highlight   = "{{ accent }}"