Added vault init, destroy, start and unseal scritps.

bin/vault-start

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+set -e
+
+REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && cd .. && pwd)"
+
+mkdir -p $REPO_ROOT/{config,data,log}
+sed -e "s|{{VAULT_DATA_DIR}}|$REPO_ROOT/data|g" \
+    -e "s|{{VAULT_LOG_DIR}}|$REPO_ROOT/log|g" \
+    $REPO_ROOT/vault.hcl > $REPO_ROOT/config/vault.hcl
+
+vault server -config=$REPO_ROOT/config/vault.hcl -log-file=$REPO_ROOT/log/vault.log