created home node and some computed field

config/sync/core.base_field_override.node.frontpage.promote.yml

@@ -0,0 +1,22 @@
+uuid: c89b423f-df8e-4075-9745-a47ccc7ecfd1
+langcode: en
+status: true
+dependencies:
+  config:
+    - node.type.frontpage
+id: node.frontpage.promote
+field_name: promote
+entity_type: node
+bundle: frontpage
+label: 'Promoted to front page'
+description: ''
+required: false
+translatable: true
+default_value:
+  -
+    value: 0
+default_value_callback: ''
+settings:
+  on_label: 'On'
+  off_label: 'Off'
+field_type: boolean