add sharing image for last day

ythirion · web-flow · commit f3c3d038068d · 2023-12-25T11:12:15.000+01:00
diff --git a/exercise/day25/docs/challenge.md b/exercise/day25/docs/challenge.md
@@ -19,4 +19,6 @@ what your experience was like.
 
 > **Challenge of day 25: Share with the world what you have learned.**
 
-- <u>💡HINT:</u> Follow your intuition.
+- <u>💡HINT:</u> Follow your intuition.
+
+![last day sharing](sharing.png)
