added last quatoatin

Author: balotofi

_config.yml

@@ -89,9 +89,9 @@ Contribute to Docs <br/>
 - <a href=\"https://birdsopensource.github.io/contribute\">Learn more</a> about how to get involved. <br/>
 - <a href=\"https://github.com/BIRDSOpenSource/BIRDSOpenSource.github.io/issues/new?template=Blank+issue\">Submit feedback</a> to let us know how we can improve BIRDS Docs. <br/> <br/>
 Join the Community <br/>
-- <a href=\"https://t.me/+D3BCqCmceQ41ZGFl\">Chat With Us On Telegram] <br/>
-- <a href=\"https://www.youtube.com/@kyutechseic4187\">Watch Us On YouTube] <br/>
-- <a href=\"https://lean-sat.org/opensource/\">Join Our Monthly Webinars]
+- <a href=\"https://t.me/+D3BCqCmceQ41ZGFl\">Chat With Us On Telegram</a>  <br/>
+- <a href=\"https://www.youtube.com/@kyutechseic4187\">Watch Us On YouTube</a>  <br/>
+- <a href=\"https://lean-sat.org/opensource/\">Join Our Monthly Webinars</a>"
 
 # Footer last edited timestamp
 last_edit_timestamp: true # show or hide edit time - page must have `last_modified_date` defined in the frontmatter