feat (update): core page for meet the team

- added content for rhys
- added card for tejas
- updated image for vignesh

Author: 28nitin07

public/team/core/content/rhys.md

@@ -2,6 +2,8 @@
 name: Rhys
 batch: Core
 department: Core Team
+spirit_dog: Sultan
 image: public/team/core/images/rhys.jpg
 order: 18
 ---
+I absolutely love being a dog magnet for Ashokan/non-Ashokan dogs. My soul dog is Sultan (my child, my spirit animal) and I shall not hear anything wrong about him. You can find me cuddling with dogs for hours or teaching them some fun little tricks.

public/team/core/images/rhys.jpg

@@ -17,6 +17,7 @@
     "rutupurna-debalina-naik.md",
     "vini-desai.md",
     "kritin-bhasin.md",
+    "tejas-nageshwaran.md",
     "rhys.md"
   ]
 }