adds a single shortcut to the db.

adds multiple endpoints to the DB.

returns false if the endpoint is not found.

deletes a row from the database.

returns a map of all the endpoints stored in the database.

returns a *sql.DB and an error you still need to close the db!!! i.e db, _ := getDb() defer db.Close().

parses yaml and returns []data.Endpoint.

changes the URL to the newURL.

a single shortcut.