Deployer doesn't validate config.json

[bbenligiray]

The deployer should validate the config.json and security.json provided by the user using the validator package.

Tracked by: https://api3dao.atlassian.net/browse/AN-159

[bbenligiray]

Waiting on #99 and the merging of the related PR

[bbenligiray]

Blocked by #207 being closed, the validator branch being updated accordingly and merged.

[MrAngus666]

#207 was merged, waiting validator branch to be merged, still blocked