switch back to no-iframe, update readme

Author: aaronpk

README.md

@@ -55,6 +55,15 @@ Once you've loaded the YouTube popout chat window described above, you will see
 
 You can open the URL on your computer too if you want to full screen it on a second monitor.
 
+### Persistent Links
+
+While there is no UI for this currently, if you would like to create a persistent link for your stream so that you don't have to re-add the browser source every time, here is how to do it.
+
+* Click "Get Overlay" on a livestream and grab the URL from the field that appears, which should look like `https://chat.aaronpk.tv/overlay/#3gADdqH3NS`
+* Notice that your YouTube popout chat address bar has changed to include the same fragment, e.g. `#3gADdqH3NS`
+* In the future, add that fragment part to your YouTube popout chat window and reload the page
+* Your YouTube chat window will send to the matching `chat.aaronpk.tv` URL that has the same fragment
+
 
 ## See this in action!
 
@@ -73,5 +82,5 @@ See https://github.com/aaronpk/youtube-chat-overlay/issues
 
 ## Credits
 
-The CSS and JavaScript originally came from a video by [ROJ BTS](https://www.youtube.com/watch?v=NHy9D4ClTvc), so huge thanks to him for the initial work!
+The original CSS and JavaScript originally came from a video by [ROJ BTS](https://www.youtube.com/watch?v=NHy9D4ClTvc), so huge thanks to him for the initial work!
 

manifest.json

@@ -16,7 +16,7 @@
   "content_scripts": [{
     "css": ["youtube.css"],
     "js": ["jquery.js", "youtube.js"],
-    "all_frames": true,
+    "all_frames": false,
     "matches": ["https://youtube.com/live_chat*", "https://www.youtube.com/live_chat*", "https://studio.youtube.com/live_chat*"]
   }],
   "options_ui": {