feature: add package.json parser

[regevbr]

Need to extract all dependencies and optionaly get dev/peer ones as well

dependencies?: Record<string, string>;
optionalDependencies?: Record<string, string>;
devDependencies?: Record<string, string>;
peerDependencies?: Record<string, string>;

[regevbr]

Also need to add filtering ability to ignore some dependencies by name or regex. and also the ability to specify only some packages

[regevbr]

We need to also get the scripts list to figure out which script needs to run in order to test

[regevbr]

Need to support global packages as well