feat: add more showcases

Author: xepozz

playground/complex.toon

@@ -0,0 +1,52 @@
+project:
+  name: "Dream Engine"
+  name2: 'Dream Engine'
+  list:
+    - item1
+    - item2
+  metadata:
+    key: value
+    key1: value
+  version: 3
+  active: true
+  metadata:
+    created: "2025-11-06"
+    tags[4]{id,name}:
+      1,ai
+      2,render
+      3,story
+      4,test
+  authors[3]{id,name,role}:
+    1,Cláudio Marcelo Silva,lead
+    2,Jane Doe,artist
+    3,John Smith,engineer
+  description: "Complex nested TOON example with escape sequences: line1\\nline2"
+  notes:
+    -: "A complex project structure"
+    -: "Testing nested blocks and mixed tables"
+  settings:
+    engine:
+      name: "Flux"
+      version: 1.12
+      flags[3]{key,value}:
+        debug,true
+        safe_mode,false
+        allow_remote,false
+    ui:
+      theme: "dark"
+      layout:
+        panels[2]{id,title,visible}:
+          1,Main,true
+          2,Inspector,false
+  assets[4]{id,type,path,size}:
+    1,image,"/textures/sky.png",2048
+    2,model,"/models/character.obj",4096
+    3,audio,"/sounds/theme.ogg",512
+    4,script,"/scripts/init.kts",12
+  build:
+    success: true
+    duration: 4.35
+    logs[3]{level,message}:
+      info,"Build started"
+      warn,"Low memory"
+      info,"Build finished successfully"

playground/embed.md

@@ -0,0 +1,9 @@
+toon syntax
+
+```toon
+project[3]:
+  name: "Dream Engine"
+  name2: 'Dream Engine'
+  version: 3
+  active: true
+```

playground/file.yaml

@@ -0,0 +1,45 @@
+project:
+  name: "Dream Engine"
+  version: 3
+  active: true
+  metadata:
+    created: "2025-11-06"
+    tags[4]{id,name}:
+      1,ai
+      2,render
+      3,story
+      4,test
+  authors[3]{id,name,role}:
+    1,Cláudio Marcelo Silva,lead
+    2,Jane Doe,artist
+    3,John Smith,engineer
+  description: "Complex nested TOON example with escape sequences: line1\\nline2"
+  notes:
+      -: "A complex project structure"
+        -: "Testing nested blocks and mixed tables"
+  settings:
+    engine:
+      name: "Flux"
+      version: 1.12
+      flags[3]{key,value}:
+        debug,true
+        safe_mode,false
+        allow_remote,false
+    ui:
+      theme: "dark"
+      layout:
+        panels[2]{id,title,visible}:
+          1,Main,true
+          2,Inspector,false
+  assets[4]{id,type,path,size}:
+    1,image,"/textures/sky.png",2048
+    2,model,"/models/character.obj",4096
+    3,audio,"/sounds/theme.ogg",512
+    4,script,"/scripts/init.kts",12
+  build:
+    success: true
+    duration: 4.35
+    logs[3]{level,message}:
+      info,"Build started"
+      warn,"Low memory"
+      info,"Build finished successfully"

playground/nested_objects.toon

@@ -0,0 +1,5 @@
+app:
+  version: 1
+  users[2]{id,name,role}:
+    1,Alice,admin
+    2,Bob,user

playground/scalar.toon

@@ -0,0 +1,11 @@
+config:
+  title: "My App"
+  debug: true
+  limits:
+    retries: 3
+    timeout: 5.5
+    limits:
+        retries: 3
+        timeout: 5.5
+  ok: true
+  no: false

playground/simple_table.toon

@@ -0,0 +1,9 @@
+# --- simple table ---
+users[2]{id,name,role}:
+  # row 1
+  1,Alice,admin
+  # row 2
+  2,Bob,user
+# --- end table ---
+a:
+