Initial Drupal 11 with DDEV setup

web/core/modules/shortcut/config/install/shortcut.set.default.yml

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+langcode: en
+status: true
+dependencies: {  }
+id: default
+label: Default

web/core/modules/shortcut/config/schema/shortcut.schema.yml

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+# Schema for the configuration files of the Shortcut module.
+
+shortcut.set.*:
+  type: config_entity
+  label: 'Shortcut settings'
+  mapping:
+    id:
+      type: machine_name
+      label: 'ID'
+      # Shortcut set IDs are specifically limited to 23 characters, and allow
+      # dashes but not underscores.
+      # @see \Drupal\shortcut\ShortcutSetForm::form()
+      constraints:
+        Regex:
+          pattern: '/^[a-z0-9-]+$/'
+          message: "The %value machine name is not valid."
+        Length:
+          max: 23
+    label:
+      type: required_label
+      label: 'Label'
+  constraints:
+    FullyValidatable: ~
+
+# Schema for theme settings.
+theme_settings.third_party.shortcut:
+  type: mapping
+  label: 'Shortcut settings'
+  mapping:
+    module_link:
+      type: boolean
+      label: 'Add shortcut link'