feat: add info command

[suzuki-shunsuke]

e.g.

$ aqua info
{
  "version": "",
  "commit_hash": "",
  "os": "darwin",
  "arch": "arm64",
  "pwd": "/Users/(USER)/Documents/aqua/info",
  "root_dir": "/Users/(USER)/.local/share/aquaproj-aqua",
  "env": {
    "AQUA_GLOBAL_CONFIG": "/Users/(USER)/repos/src/github.com/aquaproj/aqua-registry/aqua-all.yaml",
    "GITHUB_TOKEN": "(masked)"
  },
  "config_files": [
    {
      "path": "/Users/(USER)/Documents/aqua/info/aqua/aqua.yaml"
    }
  ]
}