Add way to import from other sources

src/lib/settings/settings.ts

@@ -229,4 +229,4 @@ export function copyProfile(profileToCopy: string, newName: string) {
 
 export function changeProfile(profileId: string) {
   currentProfile.set(profileId)
-}
+}

src/routes/upload/+page.svelte

@@ -6,7 +6,7 @@
   import { promptConfirmation, showSnackbar } from '$lib/util';
   import { P, Progressbar } from 'flowbite-svelte';
   import { onMount } from 'svelte';
-  export const BASE_URL = 'https://www.mokuro.moe/manga';
+  export const BASE_URL = $page.url.searchParams.get('source') || 'https://www.mokuro.moe/manga';
 
   const manga = $page.url.searchParams.get('manga');
   const volume = $page.url.searchParams.get('volume');