Readme Update - Admin creation and localhost change #7

Updated Readme and settings.py to make setup easier for new users:

• Updated settings.py with 127.0.0.1 in ALLOWED_HOSTS to simplify runserver execution
• Added alternate command to start virtual env: $ python3 -m venv .env
• Added readme documentation for creation of admin superuser per issue #7 #7.

src/lobby/settings.py

@@ -94,7 +94,7 @@ STATICFILES_DIRS = [
 ]
 
 # Set this to the set of hostnames you are using.
-ALLOWED_HOSTS = ["localhost"]
+ALLOWED_HOSTS = ["localhost", "127.0.0.1"]
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True