Add dotfiles from home directory

Tracks shell configs (zsh/bash), vim, tmux, irssi, fonts, themes,
and ~/.local/bin scripts. Sensitive files (.ssh, .gnupg, history,
credentials) and large app data are excluded via .gitignore.

.local/bin/tmux-window-icon

@@ -0,0 +1,3 @@
+#!/bin/bash
+symbols=(❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ ❾ ❿)
+echo ${symbols[$1-1]}