Restructure code

core/cli.py

@@ -1,5 +1,6 @@
 import click
 import subprocess
+import utils
 
 @click.group()
 def cli():

core/utils.py

@@ -0,0 +1,9 @@
+import subprocess
+
+def generate_password() -> str:
+    '''
+    Generates a random password using pwgen for user.
+    Could raise subprocess.CalledProcessError
+    '''
+    result = subprocess.check_output(['pwgen', '-s', '32', '1'])
+    return result.decode().strip()