Migrate to Rais 8.0

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

Gemfile

@@ -5,14 +5,13 @@ source "https://rubygems.org"
 ruby "3.2.5"
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
-gem "rails", "~> 7.2"
+gem "rails", "~> 8.0"
 
-# The original asset pipeline for Rails [https://github.com/rails/sprockets-rails]
-gem "sprockets-rails"
+gem "propshaft"
 
 # Use sqlite3 as the database for Active Record
 # gem "sqlite3", "~> 1.4"
-gem "sqlite3", ">= 2.0"
+gem "sqlite3", ">= 2.1"
 
 # Use the Puma web server [https://github.com/puma/puma]
 gem "puma", ">= 5.0"
@@ -39,7 +38,7 @@ gem "jbuilder"
 # gem "kredis"
 
 # Use Active Model has_secure_password [https://guides.rubyonrails.org/active_model_basics.html#securepassword]
-# gem "bcrypt", "~> 3.1.7"
+gem "bcrypt", "~> 3.1.7"
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem "tzinfo-data", platforms: %i[windows jruby]
@@ -48,7 +47,6 @@ gem "tzinfo-data", platforms: %i[windows jruby]
 gem "bootsnap", require: false
 
 # Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images]
-gem "activerecord-enhancedsqlite3-adapter"
 gem "bootstrap_form"
 gem "caxlsx"
 gem "caxlsx_rails"
@@ -58,7 +56,6 @@ gem "pagy", "~> 9.0"
 gem "pandoc-ruby"
 gem "prawn-markup"
 gem "prawn-rails"
-gem "rodauth-rails"
 gem "sablon"
 gem "slim"