docs/podman-info.1.md update man page
update man page with example outputs.  tidy up the man page
where applicable.
Closes:
Approved by: rhatdan
@@ -12,7 +12,7 @@ podman info - Display system information
## DESCRIPTION
-Information display here pertain to the host, current storage stats, and build of podman. Useful for the user and when reporting issues.
+Displays information pertinent to the host, current storage stats, configured registries, and build of podman.
## OPTIONS
@@ -28,9 +28,71 @@ Change output format to "json" or a Go template.
## EXAMPLE
-`podman info`
-
-`podman info --debug --format json| jq .host.kernel`
+```
+$ podman info
+host:
+ MemFree: 7822168064
+ MemTotal: 33080606720
+ SwapFree: 34357637120
+ SwapTotal: 34359734272
+ arch: amd64
+ cpus: 8
+ hostname: localhost.localdomain
+ kernel: 4.13.16-300.fc27.x86_64
+ os: linux
+ uptime: 142h 13m 55.64s (Approximately 5.92 days)
+insecure registries:
+ registries: []
+registries:
+ registries:
+ - docker.io
+ - registry.fedoraproject.org
+ - registry.access.redhat.com
+store:
+ ContainerStore:
+ number: 7
+ GraphDriverName: overlay
+ GraphOptions:
+ - overlay.override_kernel_check=true
+ GraphRoot: /var/lib/containers/storage
+ GraphStatus:
+ Backing Filesystem: extfs
+ Native Overlay Diff: "true"
+ Supports d_type: "true"
+ ImageStore:
+ number: 10
+ RunRoot: /var/run/containers/storage
+```
+```
+$ podman info --debug --format json
+{
+ "host": {
+ "MemFree": 7506157568,
+ "MemTotal": 33080606720,
+ "SwapFree": 34357637120,
+ "SwapTotal": 34359734272,
+ "arch": "amd64",
+ "cpus": 8,
+ "hostname": "localhost.localdomain",
+ "kernel": "4.13.16-300.fc27.x86_64",
+ "os": "linux",
+ "uptime": "142h 17m 17.04s (Approximately 5.92 days)"
+
+ ... removed for brevity
+
+ "ImageStore": {
+ "number": 10
+ },
+ "RunRoot": "/var/run/containers/storage"
+ }
+}
+
+```
+
+```
+$ podman info --format={{".registries"}}
+map[registries:[docker.io registry.fedoraproject.org registry.access.redhat.com]]
+```
## SEE ALSO
crio(8), crio.conf(5)
