moving license to its own separate file

LICENSE.txt

@@ -0,0 +1,5 @@
+This work © 2023 by Nekkowe is licensed under CC BY-NC-SA 4.0. 
+To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/
+
+Web presence: https://nekkowe.com
+Contact: nekkowe@gmail.com

main.py

@@ -4,15 +4,12 @@ import matplotlib.pyplot as plt
 import numpy as np
 import os
 from pathlib import Path
-# By Nekkowe 2023-10-01
-# nekkowe.com / nekkowe@gmail.com
-# Released under CC-BY-NC https://creativecommons.org/licenses/by-nc/4.0/deed.en
 from matplotlib.animation import FuncAnimation
 
 ANIMATION_OUTPUT_DIRECTORY = "./output"
 STEPS = 1000
 
-np.random.seed(12345)
+np.random.seed(123456)
 fig, ax = plt.subplots()
 env = Environment((100, 100))
 

sim.py

@@ -1,6 +1,3 @@
-# By Nekkowe 2023-10-01
-# nekkowe.com / nekkowe@gmail.com
-# Released under CC-BY-NC https://creativecommons.org/licenses/by-nc/4.0/deed.en
 import numpy as np
 from enum import Enum
 from dataclasses import dataclass