Add vector JOSS paper + update Saransh (#2541)

* Add vector JOSS paper + update Saransh

* style: pre-commit fixes

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: Saransh-cpp

_data/people/Saransh-cpp.yml

@@ -2,11 +2,12 @@ active: false
 e-mail: saransh0701@gmail.com
 focus-area:
   - as
-institution: Princeton University
+institution: Advanced Research Computing Centre, University College London
+past_institution: { institution: Princeton University, end_date: 2024-08-15 }
 name: Saransh Chopra
 photo: "/assets/images/team/Saransh-Chopra.jpeg"
 shortname: Saransh-cpp
-title: Assistant Research Software Engineer - Centre for Advanced Research Computing, UCL
+title: Assistant Research Software Engineer
 website: https://saransh-cpp.github.io
 presentations:
   - title: "A new SymPy backend for vector: uniting experimental and theoretical physicists"

_data/publications/vector-joss.yml

@@ -0,0 +1,8 @@
+title: "Vector: JIT-compilable mathematical manipulations of ragged Lorentz vectors"
+link: https://joss.theoj.org/papers/10.21105/joss.07791
+date: 2025-05-23
+citation: "Chopra, S., Schreiner, H., Rodrigues, E., Eschle, J., & Pivarski, J. (2025). Vector: JIT-compilable mathematical manipulations of ragged Lorentz vectors. Journal of Open Source Software, 10(109), 7791. https://doi.org/10.21105/joss.07791."
+focus-area: as
+submitted-to: The Journal of Open Source Software
+project:
+  - vector

_fellows/2022/Saransh-cpp.md

@@ -107,8 +107,8 @@ presentations:
   focus-area: as
   project: vector
 current_status: >
-  <strong> August 2024 </strong> - Assistant Research Software Engineer at Centre
-  for Advanced Research Computing, University College London
+  <strong> August 2024 </strong> - Assistant Research Software Engineer at Advanced
+  Research Computing Centre, University College London
 github-username: Saransh-cpp
 linkedin-profile: https://www.linkedin.com/in/saransh-cpp/
 challenge-area: