Update config

config/block.block.dcb2017_main_menu.yml

@@ -0,0 +1,26 @@
+uuid: 61cfd62f-433c-44d5-b0f5-74d551c9f1f6
+langcode: en
+status: true
+dependencies:
+  config:
+    - system.menu.main
+  module:
+    - system
+  theme:
+    - dcb2017
+_core:
+  default_config_hash: rx9IrdDv7Ldc4kpalZAxdhIPZfYIeOMh1N-qKoQZwHo
+id: dcb2017_main_menu
+theme: dcb2017
+region: header
+weight: -6
+provider: null
+plugin: 'system_menu_block:main'
+settings:
+  id: 'system_menu_block:main'
+  label: 'Main navigation'
+  provider: system
+  label_display: '0'
+  level: 1
+  depth: 1
+visibility: {  }