web: implement settings core

this was a torture

web/src/lib/settings/defaults.ts

@@ -0,0 +1,35 @@
+import type { CobaltSettings } from "$lib/types/settings";
+
+const defaultSettings: CobaltSettings = {
+    schemaVersion: 1,
+    accessibility: {
+        reduceAnimations: false,
+        reduceTransparency: false
+    },
+    appearance: {
+        theme: "auto"
+    },
+    general: {
+        customProcessingEndpoint: "",
+        seenOnboarding: false,
+        seenSafetyWarning: false
+    },
+    save: {
+        audioFormat: "mp3",
+        disableMetadata: false,
+        downloadMode: "auto",
+        downloadPopup: true,
+        filenameStyle: "classic",
+        tiktokH265: false,
+        tiktokFullAudio: false,
+        twitterGif: false,
+        videoQuality: "720",
+        youtubeVideoCodec: "h264",
+        youtubeDubBrowserLang: false
+    },
+    privacy: {
+        trafficAnalytics: true
+    }
+}
+
+export default defaultSettings;