Added update script

scripts/update.py

@@ -0,0 +1,17 @@
+import json
+import sys
+
+tags = {tag: u'' for tag in json.loads(''.join(sys.stdin.readlines()))}
+
+try:
+    with open(sys.argv[1], encoding='utf-8') as f:    
+        lang = json.load(f)
+except:
+    lang = dict()
+
+for tag in tags:
+    if tag in lang and lang[tag]:
+        tags[tag] = lang[tag]
+
+with open(sys.argv[1], 'w', encoding='utf-8') as f:
+    json.dump(tags, f, indent=4, ensure_ascii=False)