add_scores: add_scores
In jormacmoo/shipcapcrew: Ship, Captain, Crew Dice Game

Checks if all requested games have been played, if the games are single or multiplayer, and assigns the final gamecard to the global environment

1 2	add_scores(player_dice, num_dice, num_games, num_rolls, strategy, game_ticker, gamecard, scores_vector, final_score, multiplayer)

`player_dice`	a vector of the dice saved to a player's hand in a given game
`num_dice`	the number of dice a player has left to roll
`num_games`	the number of games a user wishes to run within the simulation
`num_rolls`	the number of rolls a player has left to use
`strategy`	a character vector containing p1 and p2 strategies
`game_ticker`	the number of games already completed in the simulation
`gamecard`	a dataframe storing game number and score information
`scores_vector`	a vector of a player's scores
`final_score`	a numeric vector of a player's most recent final score
`multiplayer`	a logical vector determining whether games are single or multiplayer