add_user.py created. Adds user/pass to the database for using app.

backend/add_user.py

@@ -0,0 +1,19 @@
+import pymongo
+import getpass
+
+myclient = pymongo.MongoClient("mongodb://admin:pass@localhost:27017/")
+username = input("Username: ")
+password = getpass.getpass("Password: ")
+
+
+mydb = myclient["groclist_db"]
+mycol = mydb["groclist_users"]
+
+mydict = {"username": username, "password": password}
+if mycol.find_one({"username": username}):
+	print("Username already exists\n")
+	exit()
+else:
+	x = mycol.insert_one(mydict)
+	print("User created")
+