Initial version of the kosmos-dirsrv cookbook

It sets up 389 Directory Server, including a TLS cert acquired using
Let's Encrypt in production (that requires ldap.kosmos.org pointing to
the server's IP)

data_bags/credentials/389.json

@@ -0,0 +1,24 @@
+{
+  "id": "389",
+  "bind_dn": {
+    "encrypted_data": "PAe/xCFVzL7pwIfoIppewvx6k9rwYWNZKT9ZcZOm9Et0EcV0yrDo\n",
+    "iv": "rfIdXDbcfzBn98ld\n",
+    "auth_tag": "2YVDjVV9MCM1Mj8bylm2Ew==\n",
+    "version": 3,
+    "cipher": "aes-256-gcm"
+  },
+  "password": {
+    "encrypted_data": "OWt9gh5k+N/Vn1ko6FAcd0GECdozzsSkv44oxBAqVY/obHc=\n",
+    "iv": "PkFuXiB5y++4qE7k\n",
+    "auth_tag": "/1QXYOb8rhkX1qTIYVSipg==\n",
+    "version": 3,
+    "cipher": "aes-256-gcm"
+  },
+  "username": {
+    "encrypted_data": "ZdwTaB+T8qe2F9vJ5KssZVs/elnTnU1K\n",
+    "iv": "BoBhvqkz/2aEvFsh\n",
+    "auth_tag": "fSOwmozRZCI7958VzikMbg==\n",
+    "version": 3,
+    "cipher": "aes-256-gcm"
+  }
+}