merge upstream

Updated eslint rules

fixed issue with linting tests

Allow users to update versions of library

tests_lab3

lab3

test lab2

lab2

update rpgsaga/saga/src/lab1.ts

update rpgsaga/saga/tests/lab1.spec.ts

update rpgsaga/saga/tests/lab1.spec.ts

update rpgsaga/saga/src/lab1.ts

create rpgsaga/saga/tests

delete rpgsaga/saga/tests/addNumbers.spec.ts

delete rpgsaga/saga/tests/example.spec.ts

update rpgsaga/saga/src/lab1.ts