New: Add ingress to supported k8s resources

[ericrpowers]

Description

In preparation for Phase 2, and to remove spam from the debug logs, we will add ingress as an object to download and store on CNA side.

[ericrpowers]

/build - automatically fired by gogo with following PRs and commit SHAs v1.0.0

[
  {
    "project": "",
    "component": "gaia",
    "pr-id": "938",
    "commit-sha": "b094feffe213cc4bed2721b4ddd53b01f5b890a5",
    "commit-full-sha": "b094feffe213cc4bed2721b4ddd53b01f5b890a5",
    "pipeline": "master",
    "org": "aporeto-inc"
  },
  {
    "project": "",
    "component": "pccnabackend",
    "pr-id": "483",
    "commit-sha": "077c5035",
    "commit-full-sha": "077c50357b8016b4c7e3368a9d5b690f2f6c7d8d",
    "pipeline": "master",
    "org": "prismacloud/pcn"
  }
]