jellyfin-lookin theme, changes from master, bump to 0.3.0

Now uses a customized bootstrap that looks something like Jellyfin. Some
small ui changes were needed. This be overridden by downloading bs5's css and using the custom_css
option if you don't like it. sass file is included for your own modification. Changes made to master have been added also.

jellyfin_accounts/data/templates/form.html

@@ -13,7 +13,7 @@
         <meta name="theme-color" content="#ffffff">
 
         <!-- Bootstrap CSS -->
-        <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/css/bootstrap.min.css" integrity="sha384-r4NyP46KrjDleawBgD5tp8Y7UzmLA05oM1iAEQ17CSuDqnUK2+k9luXQOfXJCJ4I" crossorigin="anonymous">
+        <link rel="stylesheet" type="text/css" href="{{ css_file }}">
         <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
 <script src="https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/js/bootstrap.min.js" integrity="sha384-oesi62hOLfzrys4LxRF63OJCXdXDipiYWBnvTl9Y9/TRlw5xlKIEHpNyvvDShgf/" crossorigin="anonymous"></script>
         <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
@@ -61,7 +61,7 @@
             <div class="container" id="container">
                 <div class="row" id="cardContainer">
                     <div class="col-sm">
-                        <div class="card bg-light mb-3">
+                        <div class="card mb-3">
                             <div class="card-header">Details</div>
                             <div class="card-body">
                                 <form action="#" method="POST" id="accountForm">
@@ -90,7 +90,7 @@
                     </div>
                     {% if validate %}
                     <div class="col-sm" id="requirementBox">
-                        <div class="card bg-light mb-3 requirementBox">
+                        <div class="card mb-3 requirementBox">
                             <div class="card-header">Password Requirements</div>
                             <div class="card-body">
                                 <ul class="list-group">