fix: missing blank space

Signed-off-by: jingfelix <[email protected]>

Author: jingfelix

i18n/en/code.json

@@ -484,7 +484,7 @@
     "message": "HUST Linux Association"
   },
   "mirror.footer.desc5_1": {
-    "message": "is an academic science and technology society spontaneously organized by Linux enthusiasts in HUST. The aim of the association is to provide a platform for Linux users to exchange and learn effectively, promote the use of free software inside and outside the school, and create a cultural atmosphere of free software community."
+    "message": " is an academic science and technology society spontaneously organized by Linux enthusiasts in HUST. The aim of the association is to provide a platform for Linux users to exchange and learn effectively, promote the use of free software inside and outside the school, and create a cultural atmosphere of free software community."
   },
   "mirror.footer.desc6_0": {
     "message": "Source code of this site is hosted on"