Merge pull request #12 from blocknotes/fix/correct-missing-password-hash

fix: correct missing password hash

Author: blocknotes

lib/tiny_admin/plugins/simple_auth.rb

@@ -8,7 +8,7 @@ module SimpleAuth
       class << self
         def configure(app, opts = {})
           @@opts = opts || {} # rubocop:disable Style/ClassVars
-          @@opts[:password] ||= ENV.fetch('ADMIN_PASSWORD_HASH') # NOTE: fallback value
+          @@opts[:password] ||= ENV.fetch('ADMIN_PASSWORD_HASH', nil) # NOTE: fallback value
 
           Warden::Strategies.add(:secret) do
             def authenticate!