prompt (#7)

* chore: remove unnecessary console line

* feat: enable to write prompt in frontmatter

* test: move test markdown to 'demo' directory

* docs: add usage section

README.md

@@ -16,3 +16,37 @@ This extension contributes the following settings:
 * `slidevContentGenerator.baseUrl`: The base URL for the AI/LLM service.
 * `slidevContentGenerator.model`: The model used for generating content.
 
+## Usage
+
+```md
+...
+---
+# Write prompt to LLM in frontmatter and generate Slidev contents from LLM
+# by **Context Menu > Generate Slidev contents** and wait a minute...)
+slidaiv:
+  prompt:
+    - Generate awesome page to introduce Slidev
+    - features, how to start it
+---
+
+<!-- Generated contents from here -->
+## Slide Title: Why You Should Use Slidev
+
+Slidev is a versatile slideshow platform that offers:
+
+- Simple Markdown syntax, easy to learn and use!
+- Highly customizable themes, UNOCSS support for styling
+- Interactive features for audience engagement
+- Export to HTML, PDF, or reveal.js
+
+Get started:
+```bash
+npm i -g slidev
+slidev init <template>  # select a template
+cd .slidev && slidev serve
+```
+<!-- End -->
+
+# Wrap up
+...
+```

demo/.gitignore

@@ -0,0 +1,7 @@
+node_modules
+.DS_Store
+dist
+*.local
+.vite-inspect
+.remote-assets
+components.d.ts

demo/.npmrc

@@ -0,0 +1,3 @@
+# for pnpm
+shamefully-hoist=true
+auto-install-peers=true