feat(texts): update english text

Author: Ismaestro

src/assets/i18n/en.json

@@ -22,7 +22,7 @@
   "sureRemoveHero": "Do you want to remove the hero?",
   "cancel": "Cancel",
   "remove": "Remove",
-  "findHero": "Find a hero",
+  "findHero": "Look for a hero",
   "back": "Back",
   "noHero": "There is no hero!",
   "heroDuplicated": "Hero id is already taken",