Doc: Update tutorials and meeting page
Update file index.md
Web: Fixed talk order and abstracts
Update info about 2025 meeting and add developers note on meetings
Fix the documentation of a talk.It isn't a poster.
Added talks
Added talk
Change the GPU time to PETSc-AI
Updated agendacherry-pick e34338db0e5bfb42530fca3494a84d78fec9bc27
PETSc 2025: add hotel information
Web: Update meeting agenda and abstracts
Web: Updated meeting webpage- Add committees for meeting- Add coc- Add tentative agenda- Add sponsor logosCherry-pick 19169e1354ef8e488bbcc14fa0c97c1ea33f9cfd from main
doc: add petsc discord server info to 2025 meeting.
Update petsc-2025
Convert doc/community/rst files to mdpart of process of replacing all rst files with (MyST) md
Add a link to the PETSc 2025 meeting discord channel to petsc.orgThanks-to: Satish Balay
Add information about student travel support to PETSc 2025 meeting
Add webpage for 2025 meeting with appropriate links