When I added this documentation originally, I guess I placed it in the wrong location.

…tfalls

Follow-up of nativefier#1159 (comment)

…ivefier#405) (PR nativefier#1154)

Co-authored-by: Ronan Jouchet <ronan@jouchet.fr>

…e icon (fix nativefier#942, fix nativefier#668) (nativefier#1156)

This fixes:

1. A startup crash on macOS when using the `--tray` option; see nativefier#527.
  ![image](https://user-images.githubusercontent.com/22625791/115987741-99544600-a5b6-11eb-866a-dadb5640eecb.png)
2. Invisible tray icon on macOS; see nativefier#942 and nativefier#668.  
   ![image](https://user-images.githubusercontent.com/22625791/115988276-24364000-a5b9-11eb-80c3-561a8a646754.png)

Co-authored-by: Ronan Jouchet <ronan@jouchet.fr>

…O Max & Udemy work (fix nativefier#1147)

…er#1163)

Should alleviate part of the issue in nativefier#1151

…tivefier#1138)

This adds a `--upgrade` option to upgrade-in-place an old app, re-using its options it can.
Should help fix nativefier#1131

Co-authored-by: Ronan Jouchet <ronan@jouchet.fr>

… docs (fix nativefier#1153) (PR nativefier#1164)

As documented in nativefier#1153, for Widevine support to work properly, we need to listen for the Widevine ready event, and as well for certain sites the app must be signed.

This PR adds the events, and as well adds better documentation on the signing limitation.

This may also help resolve nativefier#1147