Add configuration for bash

- Add ~/.bashrc
  + Configure on how the `history` works
  + Enable nicer `cd` and globbing behavior
  + Enable tab completion, even for aliases
  + Add some more stuff from Debian's ~/.bashrc
- Add ~/.bash_logout clearing the screen
- Add stubs for ~/.bash_login and ~/.bash_profile
  that redirect to ~/.profile
- Add ~/.bash_completion
- Ensure ~/.local/state/bash/ exists

.bash_completion

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+# Custom `bash` completions
+#
+# Sourced automatically by the `bash-completion` package at shell start
+
+
+complete -W '--force' dotfiles-install dotfiles-update