Well, it's definitely possible, though a little involved, the tag page is just a normal page. You would need a plugin to add/fetch additional data, add middleware to the page, and add a custom template, and push the additional data to it.
cool, are there any plugin like this for reference ?
Correct me I am wrong, as of now we can post only a particular board, right ? We can simply change the no. 4 /5 or one of our choice. Also Custom home page header vanishes when I click the logo button.