Hydrogen demo: tweak Stackbit config

hydrogen-contentful-demo-store/stackbit.yaml

@@ -1,24 +1,15 @@
-# The stackbit.yaml file lets you define the characteristic of your website
-# needed to make your theme, or project, work with Stackbit. For more info about
-# stackbit.yaml configuration visit https://docs.stackbit.com/reference/stackbit-yaml/
 stackbitVersion: ~0.5.0
-ssgName: custom
 cmsName: contentful
 nodeVersion: '16'
-devCommand: echo Starting && APP_PORT={PORT} npm run dev-no-window
-
-__unsafe_internal_stackbitRunnerOptions:
-  displayName: Hydrogen
-  patterns:
-    doneStart: ['Local: http']
 
-# The "buildCommand" and the "publishDir" properties are used to configure the
-# serverless deployment platform when Stackbit creates a new site from this theme.
-buildCommand: npm run build
-publishDir: out
+ssgName: custom
+devCommand: echo Starting && APP_PORT={PORT} npm run dev-no-window
+experimental:
+  ssg:
+    name: Hydrogen
+    logPatterns:
+      up: 'Local: http'
 
-# The "import" object defines how Stackbit should provision Contentful when
-# creating a new site from this theme via https://app.stackbit.com/create.
 import:
   type: contentful
   contentFile: contentful/export.json
@@ -27,13 +18,11 @@ import:
   spaceIdEnvVar: CONTENTFUL_SPACE_ID
   deliveryTokenEnvVar: CONTENTFUL_DELIVERY_TOKEN
 
-styleObjectModelName: ThemeStyle
-
 modelsSource:
   type: contentful
 
 # These models are merged with Contentful models
 models:
   PostLayout:
     type: page
-    urlPath: '/journal/{slug}'
+    urlPath: '/journal/{slug}'