Draft: [SPIKE] Editing blocks in code editor

components/astro/preact_counter/preact_counter.component.yml

+$schema: https://git.drupalcode.org/project/drupal/-/raw/HEAD/core/assets/schemas/v1/metadata.schema.json
+name: (preact) Preact Counter
+description: Simple Preact Counter description
+props:
+  type: object
+  properties: {}
+#  properties:
+#    count:
+#      type: number
+#      title: Count
+#      examples: [22]