feat(scalable): Add night light icon

[DarkJoker360]

This change adds a themed icon for night light status icon, similiar to what we used to have in 20.04 and older releases.

Before (current default icon): https://imgur.com/a/xiQHfxz
After (new icon): https://imgur.com/a/DZ1AXoS

I am adding here the icon 20.04 icon as reference: https://imgur.com/a/fPUS4qZ

[jacobgkau]

Current 20.04:

Current 21.10:

New 21.10:

The new icon doesn't quite match the old icon. To me, it looks like the old icon used the crescent shape from the center of the stock GNOME icon. Where does the new shape come from?

[DarkJoker360]

I took the icon from moon weather icon rather than having the old one to match new redefined icons design, such as volume icon etc

[jacobgkau]

The height does match the other icons, and it's showing up as expected.

[isantop]

Currently this just adds the icon to the theme folder, however if added this way the icon will be removed on the next icon theme update due to purging of this folder during renders.

Please add the icon to the master template file (src/scalable/source-symbolic.svg) in the status layer following the template provided by the other icons in the file. This will ensure that the icon does not get overwritten by future theme updates.

[DarkJoker360]

Alright.
I have a doubt in how I should edit the file (src/scalable/source-symbolic.svg), I tried src/scalable/ scripts and master-render.py which I believe are for different purpose. Any hints on how to do so? Thank you

[isantop]

master-render.py is the overall rendering script. It will call each rendering script for each different type of asset in turn. You can use it to render the icon after you're finished to test it out.

Before releasing, master-render.py -c will do a complete re-render, which is helpful to make sure the icon will not get overwritten.

[isantop]

@DarkJoker360 I'm not sure if you're still interested in this PR, but I've updated a lot of documentation which should aid you in getting your PR updated with the correct modifications. The relevant docs are in:

README.md@c815841

src/scalable/README.md@c815841