Update version to 1.71.3 and add file URL mapping

src/ts/storage/database.ts

@@ -15,7 +15,7 @@ import type { OobaChatCompletionRequestParams } from '../model/ooba';
 
 export const DataBase = writable({} as any as Database)
 export const loadedStore = writable(false)
-export let appVer = "1.71.2"
+export let appVer = "1.71.3"
 export let webAppSubVer = ''
 
 export function setDatabase(data:Database){