Finish KeyToken operations

flutter/lib/api/api_client.dart

@@ -445,6 +445,16 @@ class APIClient {
     );
   }
 
+  static Future<void> deleteKeyToken(AppAuth acc, String keytokenID) {
+    return _request(
+      name: 'deleteKeyToken',
+      method: 'DELETE',
+      relURL: 'users/${acc.getUserID()}/keys/${keytokenID}',
+      fn: (_) => null,
+      authToken: acc.getToken(),
+    );
+  }
+
   static Future<KeyToken> updateKeyToken(TokenSource auth, String kid, {String? name, bool? allChannels, List<String>? channels, String? permissions}) async {
     return await _request(
       name: 'updateKeyToken',
@@ -468,7 +478,7 @@ class APIClient {
       relURL: 'users/${auth.getUserID()}/keys',
       jsonBody: {
         'name': name,
-        'pem': perm,
+        'permissions': perm,
         'all_channels': allChannels,
         if (channels != null) 'channels': channels,
       },