Proper dynamic config reload

A bunch of options can now be changed without a restart as the config is
now guaranteed to be reloaded on change through the use of a RELOADCONFIG environment variable.

jellyfin_accounts/web.py

@@ -1,15 +1,16 @@
+# Web views
 from pathlib import Path
 from flask import Flask, send_from_directory, render_template
 
-from jellyfin_accounts import app, g, css_file, data_store
+from jellyfin_accounts import config, app, g, css_file, data_store
 from jellyfin_accounts import web_log as log
-from jellyfin_accounts.web_api import config, checkInvite, validator
+from jellyfin_accounts.web_api import checkInvite, validator
 
 
-if config.getboolean("ui", "bs5"):
-    bsVersion = 5
-else:
-    bsVersion = 4
+def bsVersion():
+    if config.getboolean("ui", "bs5"):
+        return 5
+    return 4
 
 
 @app.errorhandler(404)
@@ -42,7 +43,7 @@ def static_proxy(path):
     if "html" not in path:
         if "admin.js" in path:
             return (
-                render_template("admin.js", bsVersion=bsVersion, css_file=css_file),
+                render_template("admin.js", bsVersion=bsVersion(), css_file=css_file),
                 200,
                 {"Content-Type": "text/javascript"},
             )
@@ -75,7 +76,7 @@ def inviteProxy(path):
             successMessage=config["ui"]["success_message"],
             jfLink=config["jellyfin"]["public_server"],
             validate=config.getboolean("password_validation", "enabled"),
-            requirements=validator.getCriteria(),
+            requirements=validator().getCriteria(),
             email=email,
             username=(not config.getboolean("email", "no_username")),
         )