Nuxt 2 to Nuxt 3 migration: the steps that worked for me

If you are moving a large Nuxt 2 app into Nuxt 3, this is the guide I wish my past self had. I wrote it during our migration of Pensionfriend (pensionfriend.de) from Nuxt 2/Vue 2 to Nuxt 3/Vue 3, after Vue 2 reached end of life. The goal was simple: ...