Random Factory

# Usage Tips
* PIN: You can get a random PIN.
     * Example 1) 4 digits PIN: 1225
     * Example 2) 6 digits PIN: 140416
* Numbers: You can get random numbers within a certain range.
     * Example 1) One random number in the range of 100 to 200: 156
     * Example 2) Two random numbers in the range of 2000 to 2500: 2099, 2385
* Password: Do you need a password? It can be randomly generated.
     * Example) "pass" + 3-digit uppercase letter + "word" -> passRYUword
* List, Order: You can create a list and get random results.
* Example) Lunch List: Pizza, Hamburger, Fried Chicken, Rice
# Information
* RandomFactory uses the RAINPASS algorithm.
* Randomly generated results are not stored in the app.
* The startup screen changes to a random color each time.