Add Mach 1.5 shock-helium bubble simulation to gallery

New entry on the landing site gallery with thumbnail from the
YouTube video (https://youtube.com/watch?v=zDJoe0NYZsQ), run on
a single A100 on Phoenix in under 1 hour.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: sbryngelson

docs/res/simulations/t.png

@@ -16,5 +16,6 @@
     { "name": "Collapsing bubbles (streamlines)",    "category": "Bubble dynamics",        "image": "res/simulations/c.png", "computer": "Summit",   "computerUrl": "https://www.olcf.ornl.gov/summit/",                                            "accelerators": "216 V100s", "walltime": "3h",   "source": "https://doi.org/10.48550/arXiv.2305.09163" },
     { "name": "Euler-Lagrange particle cloud",       "category": "Bubble dynamics",        "image": "res/simulations/s.png", "computer": "Phoenix",  "computerUrl": "https://www.pace.gatech.edu/",                                                 "accelerators": "8 A100s",   "walltime": "<1h",  "source": "https://www.youtube.com/watch?v=RoT-yC5Lxmg" },
     { "name": "Breakup of vibrated interface",       "category": "Fundamentals",           "image": "res/simulations/f.png", "computer": "Summit",   "computerUrl": "https://www.olcf.ornl.gov/summit/",                                            "accelerators": "128 V100s", "walltime": "4h",   "source": "https://www.youtube.com/watch?v=XQ3g1oSg8mc" },
-    { "name": "Viscous Taylor-Green vortex",         "category": "Fundamentals",           "image": "res/simulations/h.png", "computer": "Delta",    "computerUrl": "https://www.ncsa.illinois.edu/research/project-highlights/delta/",              "accelerators": "128 A100s", "walltime": "17h",  "source": "https://www.youtube.com/watch?v=7i2h08dlDQw" }
+    { "name": "Viscous Taylor-Green vortex",         "category": "Fundamentals",           "image": "res/simulations/h.png", "computer": "Delta",    "computerUrl": "https://www.ncsa.illinois.edu/research/project-highlights/delta/",              "accelerators": "128 A100s", "walltime": "17h",  "source": "https://www.youtube.com/watch?v=7i2h08dlDQw" },
+    { "name": "Mach 1.5 shock-helium bubble",        "category": "Fundamentals",           "image": "res/simulations/t.png", "computer": "Phoenix",  "computerUrl": "https://www.pace.gatech.edu/",                                                 "accelerators": "1 A100",    "walltime": "1h",   "source": "https://www.youtube.com/watch?v=zDJoe0NYZsQ" }
 ]