Fixed broken URL, added an announcement on the top and an empty Robot…

….txt (robusta-dev#1147)

* Fixed broken URL, added an announcement on the top and an empty Robots.txt

* Updated based on comments

---------

Co-authored-by: Pavan Gudiwada <pavangudiwada@users.noreply.github.com>

docs/conf.py

@@ -222,6 +222,7 @@
 
 html_favicon = "_static/faviconNew.svg"
 
+html_extra_path = ['robots.txt']
 
 def setup(app):
     app.add_css_file("custom.css")

docs/help.rst

@@ -128,7 +128,7 @@ Here are more tutorials from the Robusta community:
   <div style="position: relative; height: 0; padding-bottom: 56.25%;"> <iframe src="https://www.youtube.com/embed/2P76WVVua8w" frameborder="0" allowfullscreen style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;"></iframe></div>
 
 * **Video:** `Twitter challenge - Robusta.dev on 10 nodes <https://www.youtube.com/watch?v=l_zaCaY_wls>`_ by `Nuno Captain Corsair <https://twitter.com/nunixtech>`_
-* `Troubleshoot and automate to fix your k8s Application <https://csaju.com/blog/troubleshoot-and-automate-to-fix-your-k8s-application/>`_ by `Aju Tamang <https://twitter.com/pylang2>`_
+* `Troubleshoot and automate to fix your k8s Application <https://csaju.com/posts/troubleshoot-and-automate-to-fix-your-k8s-application/>`_ by `Aju Tamang <https://twitter.com/pylang2>`_
 * `Getting Started with Robusta on Digital Ocean <https://dev.to/heyrutam/getting-started-with-robusta-on-digital-ocean-3g41>`_ by `Rutam Prita Mishra <https://github.com/Rutam21>`_
 * `Getting Started with Robusta on Civo Cloud <https://dev.to/heyrutam/getting-started-with-robusta-on-civo-cloud-5h8f>`_ by `Rutam Prita Mishra <https://github.com/Rutam21>`_
 * `Kubernetes troubleshooting and automation using Robusta <https://xxradar.medium.com/kubernetes-troubleshooting-and-automation-using-robusta-13f113fcdc36>`_ by `Philippe Bogaerts <https://twitter.com/xxradar>`_