add pydantic's logo (#1309)

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

Author: hypha

src/content/sponsors/pydantic/display.png

@@ -0,0 +1,23 @@
+---
+name: Pydantic
+url: https://pydantic.dev/
+description:
+  The Pydantic platform gives devs visibility to stay in flow, from local to
+  prod, from AI to API. Ship robust apps faster, in Python, TypeScript, Rust and
+  others.
+socials:
+  linkedin: https://www.linkedin.com/company/pydantic
+  twitter: https://x.com/pydantic
+  bluesky: https://bsky.app/profile/pydantic.dev
+  mastodon: https://fosstodon.org/@pydantic
+  github: https://github.com/pydantic/pydantic
+
+tier: Gold
+draft: true
+---
+
+## About Pydantic
+
+Pydantic is built on the pillars of open source: transparency, collaboration and
+excellence. Our origins inform every product we craft. Whether it’s a community
+project or enterprise solution, developer experience is our cornerstone.