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/starship.toml.tpl

@@ -0,0 +1,76 @@
+# Rendered by rice-theme from colors.toml - edit templates/starship.toml.tpl instead.
+# One line, like bash's user@host prompt with colour and git:
+#   sarthak@arch ~/rice  main !? ❯
+"$schema" = "https://starship.rs/config-schema.json"
+add_newline = false
+command_timeout = 300
+palette = "rice"
+
+format = "$username$hostname$directory$git_branch$git_state$git_status$jobs$cmd_duration$character"
+
+[palettes.rice]
+fg      = "{{ fg }}"
+dim     = "{{ dim }}"
+accent  = "{{ accent }}"
+urgent  = "{{ urgent }}"
+green   = "{{ green }}"
+yellow  = "{{ yellow }}"
+magenta = "{{ magenta }}"
+
+[username]
+show_always = true
+format      = "[$user]($style)"
+style_user  = "bold accent"
+style_root  = "bold urgent"
+
+[hostname]
+ssh_only = false
+trim_at  = "."
+format   = "[@](dim)[$hostname]($style) "
+style    = "bold magenta"
+
+[directory]
+style             = "bold fg"
+truncation_length = 3
+truncate_to_repo  = false
+truncation_symbol = "…/"
+read_only         = " 󰌾"
+read_only_style   = "urgent"
+format            = "[$path]($style)[$read_only]($read_only_style) "
+
+[git_branch]
+symbol = " "
+style  = "dim"
+format = "[$symbol$branch]($style) "
+
+[git_state]
+style  = "yellow"
+format = "[$state( $progress_current/$progress_total)]($style) "
+
+[git_status]
+style      = "yellow"
+format     = "([$all_status$ahead_behind]($style) )"
+conflicted = "="
+untracked  = "?"
+stashed    = ""
+modified   = "!"
+staged     = "+"
+renamed    = "»"
+deleted    = "✘"
+ahead      = "⇡"
+behind     = "⇣"
+diverged   = "⇕"
+
+[jobs]
+symbol = "✦"
+style  = "dim"
+format = "[$symbol$number]($style) "
+
+[cmd_duration]
+min_time = 2000
+format   = "[$duration](dim) "
+
+[character]
+success_symbol = "[❯](bold accent)"
+error_symbol   = "[❯](bold urgent)"
+vimcmd_symbol  = "[❮](bold green)"