user account updates

- move user accounts to subdir
- add password support
- implemented basics of multi-user support
- Can add users, edit them, and log in with them (password or not)
- Cannot delete users (with service) yet

zefie_wtvp_minisrv/ServiceVault/wtv-1800/noflash.js

@@ -15,6 +15,7 @@ if (wtvsec_login) {
 headers = `200 OK
 Connection: Keep-Alive
 minisrv-use-carriage-return: false
+minisrv-no-mail-count: true
 wtv-initial-key: ` + wtvsec_login.challenge_key.toString(CryptoJS.enc.Base64) + `
 Content-Type: text/tellyscript
 wtv-service: reset