Approval in backend

backend/cs/rules.json

@@ -1,7 +1,7 @@
 {
     "tlRules": {
-        "rule_added": "The new rule description has been added",
-        "rule_removed": "The rule description has been removed",
-        "rule_updated": "The rule has been updated"
+        "rule_added": "Byl p\u0159id\u00e1n nov\u00fd popis pravidla",
+        "rule_removed": "Popis pravidla byl odstran\u011bn.",
+        "rule_updated": "Pravidlo bylo aktualizov\u00e1no"
     }
 }