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

home/.config/git/config

@@ -0,0 +1,28 @@
+# Sakura Line - git defaults. Your name, email and credentials stay in
+# ~/.gitconfig, which git reads after this file, so it always wins.
+[init]
+	defaultBranch = main
+[pull]
+	rebase = true
+[push]
+	autoSetupRemote = true
+[diff]
+	algorithm = histogram
+	colorMoved = plain
+	mnemonicPrefix = true
+[commit]
+	verbose = true
+[column]
+	ui = auto
+[branch]
+	sort = -committerdate
+[tag]
+	sort = -version:refname
+[rerere]
+	enabled = true
+	autoupdate = true
+[alias]
+	co = checkout
+	br = branch
+	ci = commit
+	st = status