feat: stdout logging capabilities

- Added feature "stdout_logging" (see README)
- Added config.loglevel option (see config.toml)
- Logging some common things
- Hopefully fix on_new_day_started

README.md

@@ -40,14 +40,17 @@ _Note: if event is not finished yet, it may have_ `end = start`.
 - Slint dependencies (see [Platforms](https://docs.slint.dev/latest/docs/slint/guide/platforms/desktop/) and [Backends & Renderers](https://docs.slint.dev/latest/docs/slint/guide/backends-and-renderers/backends_and_renderers/))
 
 ### Feature flags
-By default Aliveline compiles with theme autodetection, provided by Slint, which sometimes does not work on Linux.  
-You can use these flags to compile Aliveline with selected theme:  
+By default Aliveline compiles with theme autodetection, provided by Slint.  
+On Linux, it depends on [org.freedesktop.portal.Settings](https://wiki.archlinux.org/title/XDG_Desktop_Portal).  
+On Windows it should work out of the box
+You can also use one of these flags to compile Aliveline with selected theme:  
 - `light`
 - `dark`
 
 ### Instructions
 Run `cargo build --release`  
 Pass features in build command with `-F foo` or `--feature foo`  
+Pass `--no-default-features` to disable stdout logging  
 Resulting binary will be located at `target/release/aliveline[.exe]`
 
 If compilation fails, double check that you have all required dependencies. If it still fails, file an issue on [Codeberg](https://codeberg.org/2ndbeam/aliveline/issues), including logs and system info.