feat: massively overhaul codebase

[baseplate-admin]

No description provided.

[baseplate-admin]

[vite] connecting... client:851:9
[svelte] await_waterfall
An async derived, `hashedAvatar` (src/​routes/​(needs_onboarding)/​(navbar_and_footer)/​+layout.svelte:36:20) was not read immediately after it resolved. This often indicates an unnecessary waterfall, which can slow down your app
https://svelte.dev/e/await_waterfall 2 client.js:3361:15
[vite] connected. client:955:12
Error: End of central directory not found
    getEntriesGenerator zip-reader.js:206
+page.svelte:177:12
Loading http://localhost:8000/onboarding using `window.fetch`. For best results, use the `fetch` that is passed to your `load` function: https://svelte.dev/docs/kit/load#making-fetch-requests client.js:3361:15
Loading http://localhost:8000/onboarding using `window.fetch`. For best results, use the `fetch` that is passed to your `load` function: https://svelte.dev/docs/kit/load#making-fetch-requests client.js:3361:15
Loading http://localhost:8000/config using `window.fetch`. For best results, use the `fetch` that is passed to your `load` function: https://svelte.dev/docs/kit/load#making-fetch-requests client.js:3361:15
Avoid using `history.pushState(...)` and `history.replaceState(...)` as these will conflict with SvelteKit's router. Use the `pushState` and `replaceState` imports from `$app/navigation` instead. client.js:3361:15
Error: End of central directory not found
    getEntriesGenerator zip-reader.js:206
+page.svelte:83:12
    fetchDecryptAndShow +page.svelte:68
    chithi +page.svelte:87
    update_reaction runtime.js:259
    update_effect runtime.js:468
    flush_queued_effects batch.js:1085
    #process batch.js:379
    flush batch.js:596
    ensure batch.js:844
    run_all utils.js:47
    run_micro_tasks task.js:10
    queue_micro_task task.js:28
    (Async: VoidFunction)
    queue_micro_task task.js:19
    ensure batch.js:842
    internal_set sources.js:186
    set sources.js:172
    set legacy-client.js:110
    <anonymous> legacy-client.js:149
    $set legacy-client.js:159
    navigate client.js:1900
    _start_router client.js:2743
    _start_router client.js:2737
    (Async: FrameRequestCallback)
    _start_router client.js:2736
    _start_router client.js:2735

[baseplate-admin]

Error: End of central directory not found
    getEntriesGenerator zip-reader.js:206
+page.svelte:87:12
    handleDownload +page.svelte:87

[baseplate-admin]

Error: Archive structure is incomplete (missing end marker). The file may be corrupted or truncated.
    validateZipBlob zip-validate.ts:37
+page.svelte:87:12