Allow skipping initial user creation

src/storage.cr

@@ -22,7 +22,7 @@ class Storage
     @@default.not_nil!
   end
 
-  def initialize(db_path : String? = nil)
+  def initialize(db_path : String? = nil, init_user = true)
     @path = db_path || Config.current.db_path
     dir = File.dirname @path
     unless Dir.exists? dir
@@ -51,6 +51,8 @@ class Storage
         Logger.debug "Creating DB file at #{@path}"
         db.exec "create unique index username_idx on users (username)"
         db.exec "create unique index token_idx on users (token)"
+
+        if init_user
           random_pw = random_str
           hash = hash_password random_pw
           db.exec "insert into users values (?, ?, ?, ?)",
@@ -60,6 +62,7 @@ class Storage
         end
       end
     end
+  end
 
   def verify_user(username, password)
     DB.open "sqlite3://#{@path}" do |db|