docs: enhance note formatting for clarity in AI model and chat modal …

…sections

docs/index.qmd

@@ -321,7 +321,8 @@ We provide AI API keys only to alpha testers who have shared their email address
    - OpenAI GPT-4o
    - Google Gemini 2.0 Flash Experimental
    - Anthropic Claude 3.5 Sonnet
-   *Note: All provided models are the latest versions.*
+
+* **Note**: All provided models are the latest versions.
 
 9. Click the **Save and Close** button.
 
@@ -330,7 +331,8 @@ We provide AI API keys only to alpha testers who have shared their email address
 11. Open the verification email and click on the verification link.
 
 12. Once verified, return to the interactive plot area and press **Ctrl+Shift+/** (forward slash) or **Alt+Shift+/** (on Mac) to open the AI modal. You can now chat with the selected AI models about your plot.
-    *Note: The AI Chat modal is togglable. Use the same key combination to switch between the plot and the AI Chat modal.*
+
+* **Note**: The AI Chat modal is togglable. Use the same key combination to switch between the plot and the AI Chat modal.
 
 ### For All Other Users
 
@@ -344,14 +346,14 @@ You can manually provide your own AI API keys in the Help menu. These keys are n
    - OpenAI GPT-4o
    - Google Gemini 2.0 Flash Experimental
    - Anthropic Claude 3.5 Sonnet
-   *Note: All provided models are the latest versions.*
+* **Note**: All provided models are the latest versions.
 
 4. Enter your API keys in the respective text fields.
 
 5. Click the **Save and Close** button.
 
 6. Return to the interactive plot area and press **Ctrl+Shift+/** (forward slash) or **Alt+Shift+/** (on Mac) to open the AI modal. You can now chat with the selected AI models about your plot.
-    *Note: The AI Chat modal is togglable. Use the same key combination to switch between the plot and the AI Chat modal.*
+* **Note**: The AI Chat modal is togglable. Use the same key combination to switch between the plot and the AI Chat modal.
 
 ## Bug Report