V2 monorepo (#285)

* refactor(project structure): UI

* refactor(project structure): extract utilities

* refactor(project structure): remove unused

* refactor(project structure): electron

* refactor(project structure): server

refactor: migrate to vitest

refactor: monorepo config

* refactor: extract application menu

* refactor: exit process

* refactor: extract tray menu

* chore: electron build

* Added Seconds in studio clock #282
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Co-authored-by: Fabian Posenau <fabian@fphome.de>

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Co-authored-by: Fabian Posenau <fabian.p99@gmx.de>
Co-authored-by: Fabian Posenau <fabian@fphome.de>

apps/client/src/theme/_viewerDefs.scss

@@ -0,0 +1,28 @@
+@use 'v2Styles' as *;
+@use 'viewerCommon' as *;
+@use "ontimeColours" as *;
+
+// General
+$viewer-transition-time: 0.5s;
+
+// Text
+$viewer-font-family: "Open Sans", "Segoe UI", sans-serif; // --font-family-override
+$viewer-opacity-disabled: 0.6;
+
+// General styling
+$accent-color: $red-500; // --accent-color-override
+$delay-color: $ontime-delay-text;
+$viewer-label-color: rgba(white, 25%);
+
+// Main Properties of a viewer
+$viewer-background-color: $ui-black; // --background-color-override
+$viewer-color: rgba(white, 80%); // --color-override
+$viewer-secondary-color: rgba(white, 45%); // --secondary-color-override
+$viewer-card-bg-color: rgba(white, 7%); // --card-background-color-override
+$viewer-overlay-bg-color: rgba(black, 90%);
+$element-border-radius: 8px;
+
+// Properties related to timer
+$timer-color: rgba(white, 80%); // --timer-color-override
+$timer-finished-color: $playback-negative;
+$timer-bold-font-family: "Arial Black", sans-serif; // --card-background-color-override