```

fix(yaml): 添加UTF-8编码参数以正确读取YAML文件

当打开YAML文件时指定UTF-8编码，确保文件能够正确解析，
避免因编码问题导致的读取错误。

refactor(gitignore): 注释掉特定文件扩展名的忽略规则

将 *.txo.pz 和 data/**/*.txo 的忽略规则注释掉，
以便这些文件能够被纳入版本控制。
```

.gitignore

@@ -15,7 +15,7 @@
 *.mip
 mitsuba.*.log
 *.exr
-*.txo.pz
+# *.txo.pz
 *.log
 *.tmp
 *.bak
@@ -60,7 +60,7 @@ samples/
 test_models/
 
 # Generated pipeline assets
-data/**/*.txo
+# data/**/*.txo
 toolkit/**/__pycache__/
 
 # --- Ignored files ---

rplibs/yaml/__init__.py

@@ -28,7 +28,7 @@ def load_yaml_file(filename):
     start = time.process_time()
 
     try:
-        with open(filename, "r") as handle:
+        with open(filename, "r",encoding='utf-8') as handle:
             parsed_yaml = yaml_load(handle, Loader=SafeLoader)
     except IOError as msg:
         RPObject.global_error("YAMLLoader", "Could not find or open file:", filename)