feat: Reworked configuration

- Added colors.aliases table
- Colors can also be defined with aliases
- Event color is calculated with priorities
- Added paths table
- Renamed log_path as paths.logs
- Renamed colors.background_text as colors.text
- Added colors.fallback field
- Default values are now taken from source config.toml on compilation

ui/theme.slint

@@ -2,42 +2,4 @@ export global Palette {
     in-out property<color> background: gray;
     in-out property<color> timeline: darkgray;
     in-out property<color> background-text: black;
-    // Note: these colors were almost randomly picked
-    in-out property<[color]> event-colors: [
-        #97f9f9,
-        #a4def9,
-        #c1e0f7,
-        #cfbae1,
-        #c59fc9,
-        #4e3d42,
-        #c9d5b5,
-        #2d82b7,
-        #556f44,
-        #772e25,
-        #c44536,
-        #7c6a0a,
-        #babd8d,
-        #ffdac6,
-        #fa9500,
-        #eb6424
-    ];
-
-    in-out property <[color]> event-text: [
-        #000000,
-        #000000,
-        #000000,
-        #000000,
-        #000000,
-        #ffffff,
-        #000000,
-        #000000,
-        #000000,
-        #ffffff,
-        #000000,
-        #000000,
-        #000000,
-        #000000,
-        #000000,
-        #000000
-    ];
 }