add localization(添加本地化) (#35)

* add i18n

* Add gui.py as target

* update

* Update extract_locale.py

webui_locale.py

@@ -0,0 +1,24 @@
+import locale
+import json
+
+def load_language_list(language):
+    with open(f"./locale/{language}.json", "r", encoding="utf-8") as f:
+        language_list = json.load(f)
+    return language_list
+
+class I18nAuto:
+    def __init__(self, language=None):
+        self.language_map = {}
+        if language is None:
+            language = 'auto'
+        if language == 'auto':
+            language = locale.getdefaultlocale()[0]
+        self.language = language
+        self.language_list = load_language_list(language)
+        self.read_language(self.language_list)
+
+    def read_language(self, lang_dict: dict):
+        self.language_map.update(lang_dict)
+
+    def __call__(self, key):
+        return self.language_map[key]