chore(git): update .gitignore to exclude keys, build outputs, logs

migration_output/config/config.json

@@ -0,0 +1,41 @@
+{
+  "version": "2.0",
+  "engine": "DSL Story Engine",
+  "default_language": "zh",
+  "modules": [
+    "characters",
+    "audio_config", 
+    "anchors",
+    "main_chapter_1",
+    "emotional_stories",
+    "investigation_branch",
+    "side_stories",
+    "endings"
+  ],
+  "audio": {
+    "enabled": true,
+    "default_volume": 0.7,
+    "fade_duration": 1000,
+    "background_loop": true
+  },
+  "gameplay": {
+    "auto_save": true,
+    "choice_timeout": 0,
+    "skip_seen_content": false,
+    "enable_branching": true
+  },
+  "features": {
+    "conditional_navigation": true,
+    "dynamic_anchors": true,
+    "memory_management": true,
+    "effects_system": true
+  },
+  "start_node": "first_awakening",
+  "migration_info": {
+    "source": "CompleteStoryData.kt",
+    "total_nodes_migrated": 50,
+    "modules_created": 8,
+    "migration_date": "2024-12-19",
+    "original_lines_of_code": 3700
+  }
+}