chore(starters): add automatic-gatsbyjs-app-landing-page (#12795)
chore(starters): add automatic-gatsbyjs-app-landing-page (#12795)

* chore(starters): add automatic-gatsbyjs-app-landing-page

* chore: format

* Remove showcase tag


Co-authored-by: Michal Piechowiak <9f3259e2eef1b9102300663eaa080e26c8e9c01f@gmail.com>
Co-authored-by: Lennart <074ba1c0efc36927866875b17be4fa06eb80e472@gmail.com>
gatsbyjs/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby