Update examples

Author: shadowwalker

examples/custom-ts-worker/README.md

@@ -36,7 +36,7 @@ Then service worker generated will automatically import your code and run it bef
 [![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/shadowwalker/next-pwa/)
 
 ``` bash
-cd examples/custom-server
+cd examples/custom-ts-server
 yarn install
 yarn build
 yarn start

examples/next-image/README.md

@@ -8,14 +8,12 @@ This example demonstrates how to use `next-pwa` plugin to turn a `next.js` based
 
 Thanks to **Next.js 9+**, we can use `public` folder to serve static files from root url path. It cuts the need to write custom server only to serve those files. Therefore the setup is more easy and concise. We can use `next.config.js` to config `next-pwa` to generates service worker and precache files into `public` folder.
 
-> [Check out the lighthouse summary](https://github.com/shadowwalker/next-pwa/blob/master/examples/next-9/lighthouse.pdf), or run the test your self.
-
 ## Usage
 
 [![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/shadowwalker/next-pwa/)
 
 ``` bash
-cd examples/next-9
+cd examples/next-image
 yarn install
 yarn build
 yarn start

examples/offline-fallback-v2/README.md

@@ -29,7 +29,7 @@ pwa: {
 [![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/shadowwalker/next-pwa/)
 
 ``` bash
-cd examples/offline-fallback
+cd examples/offline-fallback-v2
 yarn install
 yarn build
 yarn start