Add TLS and mTLS support

integrationTests/e2e-tls/configs/config.hcl

@@ -0,0 +1,15 @@
+ui = false
+disable_mlock = true
+
+listener "tcp" {
+  address = "[::]:8200"
+  cluster_address = "[::]:8201"
+  tls_cert_file = "/etc/vault/server.crt"
+  tls_key_file = "/etc/vault/server.key"
+  tls_client_ca_file = "/etc/vault/ca.crt"
+  tls_require_and_verify_client_cert = "true"
+}
+
+storage "file" {
+  path = "/var/lib/vault"
+}