feat(docs): update documentation and disable Ask AI feature

Major documentation updates including:
- Add comprehensive code examples page
- Add video tutorial to homepage
- Update Docker deployment instructions for v0.6.0
- Temporarily disable Ask AI feature
- Add table border styling
- Update site version to v0.6.x

BREAKING CHANGE: Ask AI feature temporarily disabled pending launch

docs/md_v2/ask_ai/ask-ai.js

@@ -361,8 +361,10 @@ A code snippet: \`crawler.run()\`. Check the [quickstart](/core/quickstart).`;
         chatMessages.innerHTML = ""; // Start with clean slate for query
         if (!isFromQuery) {
             // Show welcome only if manually started
+            // chatMessages.innerHTML =
+            //     '<div class="message ai-message welcome-message">Started a new chat! Ask me anything about Crawl4AI.</div>';
             chatMessages.innerHTML =
-                '<div class="message ai-message welcome-message">Started a new chat! Ask me anything about Crawl4AI.</div>';
+                '<div class="message ai-message welcome-message">We will launch this feature very soon.</div>';
         }
         addCitations([]); // Clear citations
         updateCitationsDisplay(); // Clear UI
@@ -504,8 +506,10 @@ A code snippet: \`crawler.run()\`. Check the [quickstart](/core/quickstart).`;
             addMessageToChat(message, false);
         });
         if (messages.length === 0) {
+            // chatMessages.innerHTML =
+            //     '<div class="message ai-message welcome-message">Chat history loaded. Ask a question!</div>';
             chatMessages.innerHTML =
-                '<div class="message ai-message welcome-message">Chat history loaded. Ask a question!</div>';
+                '<div class="message ai-message welcome-message">We will launch this feature very soon.</div>';
         }
         // Scroll to bottom after loading messages
         scrollToBottom();

docs/md_v2/ask_ai/index.html

@@ -36,7 +36,7 @@
             <div id="chat-input-area">
                 <!-- Loading indicator for general waiting (optional) -->
                 <!-- <div class="loading-indicator" style="display: none;">Thinking...</div> -->
-                <textarea id="chat-input" placeholder="Ask about Crawl4AI..." rows="2"></textarea> 
+                <textarea id="chat-input" placeholder="We will roll out this feature very soon." rows="2" disabled></textarea> 
                 <button id="send-button">Send</button>
             </div>
         </main>