docs: add small line before videos

docs/features/bring-your-own-llm.mdx

@@ -5,6 +5,8 @@ description: "Connect your own AI models to BrowserOS"
 
 BrowserOS includes a default AI model you can use right away, but it has strict rate limits. For the best experience, bring your own API keys or run models locally.
 
+See how to connect your own LLM in under a minute:
+
 <video
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   className="w-full aspect-video rounded-xl"

docs/features/connect-mcps.mdx

@@ -5,6 +5,8 @@ description: "Link your apps to BrowserOS so the assistant can read data and tak
 
 Connect your favorite apps to BrowserOS so the assistant can read your emails, check your calendar, post to Slack, update Notion, and more — all through natural conversation.
 
+See how to connect an app and start using it with the assistant:
+
 <video
   controls
   className="w-full aspect-video rounded-xl"

docs/features/cowork.mdx

@@ -5,6 +5,8 @@ description: "Give the assistant controlled access to local files and commands"
 
 Filesystem Access lets you describe complex tasks and let the agent handle them end-to-end. Combine browser automation with local file operations — research on the web, then save reports directly to your folder.
 
+Here's what it looks like to give the agent access to your local files:
+
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   controls
   className="w-full aspect-video rounded-xl"

docs/features/llm-chat-hub.mdx

@@ -5,6 +5,8 @@ description: "Access ChatGPT, Claude, and Gemini from any webpage with one click
 
 BrowserOS puts AI chat at your fingertips. Open a chat panel on any webpage to ask questions with full page context, or compare responses across multiple LLMs side-by-side.
 
+Watch the chat panel and LLM Hub in action:
+
 <video
   controls
   className="w-full aspect-video rounded-xl"

docs/features/scheduled-tasks.mdx

@@ -5,6 +5,8 @@ description: "Run the BrowserOS agent automatically on a schedule"
 
 Scheduled Tasks let you run the BrowserOS agent automatically—daily, every few hours, or every few minutes. You get the full power of the agent running on autopilot.
 
+Watch how to set up a scheduled task from scratch:
+
 <video
   controls
   className="w-full aspect-video rounded-xl"

docs/features/workflows.mdx

@@ -5,6 +5,8 @@ description: "Build reliable, repeatable browser automations with a visual graph
 
 Workflows let you turn complex browser tasks into reliable, reusable automations. Instead of hoping the agent figures out the right steps each time, you define the exact sequence—and run it whenever you need.
 
+See how to build and run a workflow end-to-end:
+
 <video
   controls
   className="w-full aspect-video rounded-xl"