Add auto-register to the inline examples

platinum-sw-cache.html

@@ -17,7 +17,7 @@
    * `<platinum-sw-cache>` needs to be a child element of `<platinum-sw-register>`.
    * A simple, yet useful configuration is
    *
-   *     <platinum-sw-register>
+   *     <platinum-sw-register auto-register>
    *       <platinum-sw-cache></platinum-sw-cache>
    *     </platinum-sw-register>
    *

platinum-sw-fetch.html

@@ -31,7 +31,7 @@
    *
    * An example configuration is:
    *
-   *     <platinum-sw-register>
+   *     <platinum-sw-register auto-register>
    *       <platinum-sw-import-script href="custom-fetch-handler.js"></platinum-sw-import-script>
    *       <platinum-sw-fetch handler="customFetchHandler"
    *                          path="/(.*)/customFetch"></platinum-sw-fetch>

platinum-sw-import-script.html

@@ -18,7 +18,7 @@
    * A common use case is to define a custom request handler for a `fetch` event, but it can be used
    * for any type of code that you want to be executed by the service worker.
    *
-   *     <platinum-sw-register>
+   *     <platinum-sw-register auto-register>
    *       <platinum-sw-import-script href="custom-fetch-handler.js"></platinum-sw-import-script>
    *       <platinum-sw-fetch handler="customFetchHandler"
    *                          path="/(.*)/customFetch"></platinum-sw-fetch>