Add help page to docs (#147)

Author: alexmojaki

docs/help.md

@@ -0,0 +1,17 @@
+# Getting Help
+
+If you need help getting started with PydanticAI or with advanced usage, the following sources may be useful.
+
+## :simple-slack: Slack
+
+Join the `#pydantic-ai` channel in the [Pydantic Slack][slack] to ask questions, get help, and chat about PydanticAI. There's also channels for Pydantic, Logfire, and FastUI.
+
+If you're on a [Logfire][logfire] Pro plan, you can also get a dedicated private slack collab channel with us.
+
+## :simple-github: GitHub Issues
+
+The [PydanticAI GitHub Issues][github-issues] are a great place to ask questions and give us feedback.
+
+[slack]: https://join.slack.com/t/pydanticlogfire/shared_invite/zt-2b57ljub4-936siSpHANKxoY4dna7qng
+[github-issues]: https://github.com/pydantic/pydantic-ai/issues
+[logfire]: https://pydantic.dev/logfire

mkdocs.yml

@@ -12,6 +12,7 @@ copyright: © Pydantic Services Inc. 2024 to present
 nav:
   - Introduction: index.md
   - install.md
+  - help.md
   - Documentation:
     - agents.md
     - dependencies.md