docs(examples): chain stops at first multi-key object

examples/conversions/api-response.toon

@@ -1,9 +1,11 @@
-data.id: 42
-data.type: user
-data.attributes.name: Ada Lovelace
-data.attributes.email: ada@example.com
-data.attributes.active: true
-meta.request.id: req_abc123
-meta.request.timestamp: "2025-01-15T10:30:00Z"
-meta.response.duration: 42
-meta.response.cached: false
+data:
+  id: 42
+  type: user
+  attributes.name: Ada Lovelace
+  attributes.email: ada@example.com
+  attributes.active: true
+meta:
+  request.id: req_abc123
+  request.timestamp: "2025-01-15T10:30:00Z"
+  response.duration: 42
+  response.cached: false

examples/conversions/config.toon

@@ -1,11 +1,12 @@
 server.host: localhost
 server.port: 8080
 server.timeout: 30000
-database.connection.host: db.example.com
-database.connection.port: 5432
-database.connection.username: admin
-database.connection.database: myapp_prod
-database.pool.min: 2
-database.pool.max: 10
+database:
+  connection.host: db.example.com
+  connection.port: 5432
+  connection.username: admin
+  connection.database: myapp_prod
+  pool.min: 2
+  pool.max: 10
 logging.level: info
 logging.format: json

examples/valid/key-folding-basic.toon

@@ -1,7 +1,8 @@
 server.host: localhost
 server.port: 8080
-database.connection.host: db.example.com
-database.connection.port: 5432
-database.connection.username: admin
+database.connection:
+  host: db.example.com
+  port: 5432
+  username: admin
 app.name: MyApp
 app.version: 1.0.0

examples/valid/key-folding-mixed.toon

@@ -6,4 +6,5 @@ server:
   ssl:
     enabled: true
     cert: /path/to/cert.pem
-database.connection.url: "postgresql://localhost:5432/mydb"
+database.connection:
+  url: "postgresql://localhost:5432/mydb"

examples/valid/key-folding-with-array.toon

@@ -1,5 +1,6 @@
 api.endpoint: "https://api.example.com"
 api.timeout: 5000
-data.meta.items[3]: widget,gadget,tool
-data.meta.count: 3
+data.meta:
+  items[3]: widget,gadget,tool
+  count: 3
 user.preferences.tags[2]: productivity,development

examples/valid/path-expansion-merge.toon

@@ -1,5 +1,8 @@
-user.profile.name: Ada Lovelace
-user.profile.email: ada@example.com
-user.settings.theme: dark
-user.settings.notifications: true
+user:
+  profile:
+    name: Ada Lovelace
+    email: ada@example.com
+  settings:
+    theme: dark
+    notifications: true
 system.version: 1.5.0