Encontre a bomba

Retorne "Duck!!!" se o texto contiver a palavra "bomb", sem diferenciar letras maiúsculas de minúsculas. Caso contrário, retorne "There is no bomb, relax.".

Exemplos

findBomb("There is a bomb.") // "Duck!!!"
findBomb("Hey, did you think there is a bomb?") // "Duck!!!"
findBomb("This goes boom!!!") // "There is no bomb, relax."