Add vault password and wrapper scripts

Signed-off-by: Florian Pritz <bluewind@xinu.at>

ansible-playbook

+#!/bin/bash
+
+exec ansible-playbook --vault-password-file $(dirname $0)/misc/get-vault-pass.sh "$@"

ansible-vault

+#!/bin/bash
+
+exec ansible-vault --vault-password-file $(dirname $0)/misc/get-vault-pass.sh "$@"

misc/get-vault-pass.sh

+#!/bin/bash
+
+exec gpg --batch --decrypt --quiet $(dirname $0)/vault-password.gpg
+