Migrate to Rais 8.0

- Remove all Rodauth stuff and implement simple custom auth
- Migrate from sprockets to propshaft, hack some bootstrap stuff

app/models/account.rb

@@ -1,5 +0,0 @@
-class Account < ApplicationRecord
-  include Rodauth::Rails.model
-
-  enum :status, unverified: 1, verified: 2, closed: 3
-end

app/models/current.rb

@@ -0,0 +1,4 @@
+class Current < ActiveSupport::CurrentAttributes
+  attribute :session
+  delegate :user, to: :session, allow_nil: true
+end

app/models/session.rb

@@ -0,0 +1,3 @@
+class Session < ApplicationRecord
+  belongs_to :user
+end

app/models/user.rb

@@ -0,0 +1,6 @@
+class User < ApplicationRecord
+  has_secure_password
+  has_many :sessions, dependent: :destroy
+
+  normalizes :email_address, with: ->(e) { e.strip.downcase }
+end