add arm's logo (#1297)

FYI, the display.png image might be slightly short, but I just used the
same banner they used everywhere, and I think with the small white
border, it looks OK. Plus, hopefully, we can get their own submission if
this is to be included.

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

Author: hypha

src/content/sponsors/arm/arm.svg

@@ -0,0 +1,26 @@
+---
+name: Arm
+url: http://www.arm.com
+description:
+  Born more than 30 years ago with the goal of designing a computer intended to
+  run on a battery, Arm has become a global compute platform delivering advanced
+  solutions that allow the world’s leading technology companies to unleash the
+  unprecedented experiences and capabilities of AI.
+socials:
+  linkedin: https://www.linkedin.com/company/arm/
+  twitter: https://x.com/Arm
+  facebook: https://www.facebook.com/Arm
+  instagram: https://www.instagram.com/Arm/
+  youtube: https://www.youtube.com/@arm/
+
+tier: Gold
+logo_padding: 35px
+draft: true
+---
+
+## About Arm
+
+Born more than 30 years ago with the goal of designing a computer intended to
+run on a battery, Arm has become a global compute platform delivering advanced
+solutions that allow the world’s leading technology companies to unleash the
+unprecedented experiences and capabilities of AI.