bashrc: Add cabal bin directory to PATH.

Signed-off-by: Wayne Warren <waynr@sdf.org>
gitignore: Add some useful gitignore entries.

Signed-off-by: Wayne Warren <waynr@sdf.org>
gitconfig: Fix path to .gitignore

Signed-off-by: Wayne Warren <waynr@sdf.org>
forkmydots.sh: Clean up `link_dot` function.

Signed-off-by: Wayne Warren <waynr@sdf.org>