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.

.zlogin.backup

@@ -0,0 +1,22 @@
+#
+# Executes commands at login post-zshrc.
+#
+# Authors:
+#   Sorin Ionescu <sorin.ionescu@gmail.com>
+#
+
+# Execute code that does not affect the current session in the background.
+{
+  # Compile the completion dump to increase startup speed.
+  zcompdump="${ZDOTDIR:-$HOME}/.zcompdump"
+  if [[ -s "$zcompdump" && (! -s "${zcompdump}.zwc" || "$zcompdump" -nt "${zcompdump}.zwc") ]]; then
+    zcompile "$zcompdump"
+  fi
+} &!
+
+# Print a random, hopefully interesting, adage.
+if (( $+commands[fortune] )); then
+  fortune -a
+  print
+fi
+