chore: import upstream snapshot with attribution

docs/community/contact_us.md

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+# Contact Us
+
+--8<-- "README.md:contact-us"

docs/community/meetups.md

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+# Meetups
+
+We host regular meetups around the world. We will share the project updates from the vLLM team and have guest speakers from the industry to share their experience and insights.
+
+Please visit [vllm.ai/events](https://vllm.ai/events) to learn more.

docs/community/sponsors.md

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+# Sponsors
+
+vLLM is a community project. Our compute resources for development and testing are supported by the following organizations. Thank you for your support!
+
+Please visit [vllm.ai/#sponsors](https://vllm.ai/#sponsors) to learn more.