Merge pull request #41 from microsoft/docs-udpdate-july

start of update for prompty docs homepage

.gitignore

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 .DS_Store
-*.js
+*.js
+runtime/promptycs/Prompty.Core/bin/
+runtime/promptycs/Prompty.Core/obj/
+runtime/promptycs/Tests/bin/
+runtime/promptycs/Tests/obj/

web/docs/page.mdx

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 ---
-title: Prompty Documentation
+title: Welcome to Prompty
 description: This is the prompty documentation
 authors:
   - sethjuarez
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 date: 2024-06-10
 ---
 
-Hi!
+Prompty is an asset class and format for LLM prompts designed to enhance observability, understandability, and portability for developers. The primary goal is to accelerate the developer inner loop of prompt engineering and prompt source management in a cross-language and cross-platform implentation.
+
+The file format has a supporting toolchain with a VS Code extension and runtimes in multiple programming languages to simplify and accelerate your A application development.
+
+The tooling comes together in three ways: the *prompty file asset*, the *VS Code extension tool*, and *runtimes* in multiple programming languges.
+
+## The Prompty File Format
+Prompty is a language agnostic prompt asset for creating prompts and engineering the responses. Learn more about the format [here](../prompty-file-spec/page.mdx).
+
+## The Prompty VS Code Extension
+Run Prompty files directly in VS Code. This Visual Studio Code extension offers an intuitive prompt playground within VS Code to streamline the prompt engineering process. You can find the Prompty extension in the Visual Studio Code Marketplace.
+
+Download the [VS Code extension here](https://marketplace.visualstudio.com/items?itemName=ms-toolsai.prompty).
+
+
+## The Prompty Runtimes
+
+To execute a Prompty file asset in code, you can use one of the supporting runtimes such as: 
+
+* [Prompty Core (python)](https://pypi.org/project/prompty/) - The python Prompty core package is the base package needed to run a prompty asset file. Please note this package is preview and under active development.
+* [Prompty Core (csharp)]() - Coming soon.
+* [Promptyflow (python)](https://microsoft.github.io/promptflow/) -  Use Prompty with Promptflow as your runtime and logic orchestrator.
+* [LangChain (python)](https://pypi.org/project/langchain-prompty/) - Use the experimental LangChain Prompty runtime.
+* [Semantic Kernal (csharp)](https://learn.microsoft.com/semantic-kernel/) - Use the experimental Semantic Kernal Prompty runtime.
+
+**Note: We are continuing to work on the runtimes so watch for frequent updates!
+
+### Learn more and get started building applications with Prompty
+________________________
+[Quick Start](./docs/getting-started/) - Coming soon.
+
+[Tutorials](./docs/tutorials/) - Coming soon.
+
+[Examples](https://learn.microsoft.com/en-us/collections/5pq0uompdgje8d) - Check out the AI App templates that were released at Microsoft Build that leverage Prompty for a variety of scenarios.
+
+[Contributing](./docs/contributing/) - Coming soon.