Added mentors

Author: wslany

pages/development/google-summer-of-code/2025.md

@@ -42,7 +42,7 @@ These ideas are just some topics we came up with, where currently nobody is work
 
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 > **Required Skills**: Flutter, Dart, Android-Development, Agile Development <br>
-> **Possible Mentors**: Abdulbaki Celebi, Mario Kaurin <br>
+> **Possible Mentors**: Abdulbaki Celebi, Mario Kaurin, Julia Herold, Thorsten Bandel <br>
 > **Expected Outcome**: Features from Kotlin/Java version of Paintroid ported to new Flutter-based version<br>
 > **Difficulty level**: Medium to advanced 
 
@@ -120,7 +120,7 @@ This year's focus of Catrobat includes topics around marine biology as an applic
 
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 > **Preferred Skills**: Mobile AR Development (Flutter, React Native), UI/UX Design for Interactive Learning, Voice & Gesture Recognition<br>
-> **Possible Mentors**: Supreeth M Kumar, Krishan Mohan Patel <br>
+> **Possible Mentors**: Supreeth M Kumar, Paul Spiesberger <br>
 > **Expected Outcome**: Mobile AR app <br>
 > **Difficulty level**: Advanced 
 
@@ -134,7 +134,7 @@ This year's focus of Catrobat includes topics around marine biology as an applic
 
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 > **Required Skills**: Open-Source Development (GitHub, API Integrations), Modular AR Content Framework, Cross-STEM Applications (Physics, Chemistry, Earth Science).<br>
-> **Possible Mentors**: Wolfgang Slany, Paul Spiesberger <br>
+> **Possible Mentors**: Wolfgang Slany, Krishan Mohan Patel <br>
 > **Expected Outcome**: AR toolkit / STEM <br>
 > **Difficulty level**: Medium