Update app.py

Added Profile links

app.py

@@ -138,8 +138,8 @@ def sidebar():
         st.markdown(
             """
             - [Email](mailto:krishna158@live.com)
-            - [LinkedIn](https://www.linkedin.com/in/krishna-kumar-yadav-726831105/)
-            - [Github](https://github.com/krish-yadav23)
+            - [LinkedIn](https://www.linkedin.com/in/devkrish23/)
+            - [Github](https://github.com/devkrish23)
             - [LeetCode](https://leetcode.com/KrishnaKumar23/)
             """
         )