Allow only generating webmanifest (without service worker) as strategy#815

jnoordsij wants to merge 2 commits intovite-pwa:mainvite-pwa/vite-plugin-pwa:mainfrom

jnoordsij:add-webmanifest-only-strategyjnoordsij/vite-plugin-pwa:add-webmanifest-only-strategyCopy head branch name to clipboard