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/public/manifest.json

@@ -0,0 +1,26 @@
+{
+  "name": "ontime",
+  "short_name": "ontime",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    },
+    {
+      "src": "logo192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "logo512.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    }
+  ],
+  "scope": "/",
+  "start_url": "/",
+  "display": "",
+  "theme_color": "#121212",
+  "background_color": "#ffffff"
+}