Plan to remove Electron apps

[coslyk]

Until now DebianOpt provides a lot of awesome Electron apps. Unfortunately I am not able to maintain them any more, because:

1. Electron's API is very unstable. It breaks APIs in every updates, which means I have to patch the source code of (almost) all Electron apps at every single update of Electron runtime, but I don't have enough time on it.
2. Dpkg does not support npm/yarn natively, so it is hard to write build scripts for Electron apps.
3. Most of the Electron apps also provide official Debian package.

Therefore I decided to remove those apps in the future. Here is the plan:

1. After every update of Electron runtime, remove apps that is incompatible with it.
2. Totally remove Electron support in the future Debian 11 ("bullseye") release.

Until 2020.12.20 the following packages are incompatible with the latest Electron runtime (v11.1.0) and will be removed:

• simplenote
• picgo
• petal
• lx-music-desktop
• zy-player
• gridea