Configure mackup

- ignore apps whose config files are in the dotfiles repo already
  (see: https://gitlab.webartifex.biz/alexander/dotfiles)
- ignore ~/.password-store as it contains symlinks
- sync various (config) files that are not be public:
  + Cisco's AnyConnect
  + history files for bash, less, python, psql, tig, and zsh
  + Gnome Nautilus' bookmarks
  + SSH config

.psqlrc

@@ -20,6 +20,10 @@
 -- Use the best text editor in the world
 \set EDITOR vi
 
+-- Use separate history files per database and
+-- keep them in one folder (for easier sync with mackup)
+\set HISTFILE ~/.config/psql/.psql_history- :DBNAME
+
 -- Don't store the same SQL statement repeatedly
 \set HISTCONTROL ignoredups