chore: add default ldap config to proxy.config.json

Add disabled ldap authentication entry with sensible defaults
for attribute mappings, and group settings.

Signed-off-by: Kwangjin Ko <kyet@me.com>

Author: 1saac-k

proxy.config.json

@@ -52,6 +52,27 @@
         "password": ""
       }
     },
+    {
+      "type": "ldap",
+      "enabled": false,
+      "ldapConfig": {
+        "url": "",
+        "bindDN": "",
+        "bindPassword": "",
+        "searchBase": "",
+        "searchFilter": "",
+        "userGroupDN": "",
+        "adminGroupDN": "",
+        "groupSearchBase": "",
+        "groupSearchFilter": "(member={{dn}})",
+        "usernameAttribute": "uid",
+        "emailAttribute": "mail",
+        "displayNameAttribute": "cn",
+        "titleAttribute": "title",
+        "starttls": false,
+        "tlsOptions": {}
+      }
+    },
     {
       "type": "openidconnect",
       "enabled": false,