Add en headlines for donor and contributor section

Author: revoltek-daniel

src/content/strings/en/strings.json

@@ -38,13 +38,13 @@
     },
     "contributors": {
         "title": "Top contributors",
-        "description": "Lorem ipsum dolor sit amet consectetur adipisicing elit. Enim, expedita!"
+        "description": "Recognizing individuals with significant technical input and sustained project involvement."
     },
     "donors": {
         "title": "Our donors",
-        "description": "Lorem ipsum dolor sit amet consectetur adipisicing elit. Enim, expedita!"
+        "description": "Gratefully acknowledging those who support the project through their generous contributions."
     },
     "footer": {
         "copyright": "Copyright © 2025, All Rights Reserved"
     }
-}
+}