Update response (#3)

* don't error if no output was returned from snyk scan diff

* update coverage

Different diff package (#2)

* remove byteskip & add vendor folder for non-go.mod package

* update json diff tool to be snyk-specific

* remove out of date comment

* add snyk check file & add full test coverage for it

* add return type test

* update error response to exit code 1 when new vulnerabilities are found by default like Snyk CLI would do

* update test case

* update workflow name

add new flag to skip check if file 2 is fewer bytes than file 1 (#1)

add new flag to skip check if file 2 is fewer bytes than file 1 (#1)

init