✨ (theme) Add progress bar option (#1276)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **New Features**
- Introduced progress bar functionality across various components for a
more interactive user experience.
	- Added progress tracking and display in chat sessions.
- **Enhancements**
- Adjusted layout height calculations in the settings and theme pages
for consistency.
- Improved theme customization options with progress bar styling and
placement settings.
- **Bug Fixes**
- Fixed dynamic height calculation issues in settings and theme side
menus by standardizing heights.
- **Style**
- Added custom styling properties for the progress bar in chat
interfaces.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/schemas/features/chat/schema.ts

@@ -310,6 +310,12 @@ const chatResponseBaseSchema = z.object({
     .describe(
       'If the typebot contains dynamic avatars, dynamicTheme returns the new avatar URLs whenever their variables are updated.'
     ),
+  progress: z
+    .number()
+    .optional()
+    .describe(
+      'If progress bar is enabled, this field will return a number between 0 and 100 indicating the current progress based on the longest remaining path of the flow.'
+    ),
 })
 
 export const startChatResponseSchema = z