OK I GOT IT SOMEWHAT WORKING IN BROWSER FINALLY

still need to keep implementing OPFS stuff though.

serilog 01:32:29 [ERR | UniScan.Client.Core.Config.Remote.RemotesListFile] Failed to save remotes to remotes.json
System.Exception: Entry not found
   at SpawnDev.SpawnJS.SpawnJSRuntime.<_InteropCallApplyAsync>d__132`1[[SpawnDev.SpawnJS.JSObjects.FileSystemSyncAccessHandle, SpawnDev.SpawnJS, Version=2.1.8.0, Culture=neutral, PublicKeyToken=null]].MoveNext()