[skip ci] Weblate Changes (#2338)

Co-authored-by: Felipe Martin <me@fmartingr.com>
Co-authored-by: François <franbelle.langres@gmail.com>
Co-authored-by: Hans Kalisvaart <hans.kalisvaart@gmail.com>
Co-authored-by: LeeWan1210 <dldhks456@live.com>
Co-authored-by: aleixcox <18121624@qq.com>
Co-authored-by: kuroikana <kuroikana@outlook.com>
Co-authored-by: liimee <alt3753.7@gmail.com>
Co-authored-by: 無情天 <kofzhanganguo@126.com>

API/I18N/zh_Hans.json

@@ -167,5 +167,9 @@
     "external-source-already-exists": "外部源已存在",
     "sidenav-stream-doesnt-exist": "侧边栏数据流不存在",
     "external-source-doesnt-exist": "外部源不存在",
-    "external-source-required": "API密钥和主机为必填项"
+    "external-source-required": "API密钥和主机为必填项",
+    "browse-external-sources": "浏览外部资源",
+    "external-source-already-in-use": "存在具有此外部源的现有流",
+    "external-sources": "外部来源",
+    "smart-filter-already-in-use": "存在带有此智能筛选器的现有流"
 }