Merge pull request #15 from IceWhaleTech/feat/add-zima-cron

chore: update mod.json

Author: LinkLeong

mod.json

@@ -14,6 +14,11 @@
         "title": "doconverter",
         "repo": "IceWhaleTech/ZimaOS-doconverter"
     },
+    {
+        "name": "zima_cron",
+        "title": "zima_cron",
+        "repo": "LinkLeong/zima_cron"
+    },
     {
         "name": "manticore",
         "title": "manticore",