Update document formatting and packaging code

* Refactored code and Makefile to support new docs layout
* Removed some old code packaging code
* Add Readme.md to document what we're doing

Signed-off-by: Jhon Honce <jhonce@redhat.com>
Signed-off-by: baude <bbaude@redhat.com>

1 files changed, 57 insertions, 0 deletions

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+% podman-system-df(1)
+
+## NAME
+podman\-system\-df - Show podman disk usage
+
+## SYNOPSIS
+**podman system df** [*options*]
+
+## DESCRIPTION
+Show podman disk usage
+
+## OPTIONS
+**--format=***format*
+
+Pretty-print images using a Go template
+
+**-v**, **--verbose**[=*true|false*]
+Show detailed information on space usage
+
+## EXAMPLE
+
+$ podman system df
+TYPE            TOTAL   ACTIVE   SIZE    RECLAIMABLE
+Images          6       2        281MB   168MB (59%)
+Containers      3       1        0B      0B (0%)
+Local Volumes   1       1        22B     0B (0%)
+
+$ podman system df -v
+Images space usage:
+
+REPOSITORY                 TAG      IMAGE ID       CREATED       SIZE     SHARED SIZE   UNIQUE SIZE   CONTAINERS
+docker.io/library/alpine   latest   5cb3aa00f899   2 weeks ago   5.79MB   0B            5.79MB       5
+
+Containers space usage:
+
+CONTAINER ID    IMAGE   COMMAND       LOCAL VOLUMES   SIZE     CREATED        STATUS       NAMES
+073f7e62812d    5cb3    sleep 100     1               0B       20 hours ago   exited       zen_joliot
+3f19f5bba242    5cb3    sleep 100     0               5.52kB   22 hours ago   exited       pedantic_archimedes
+8cd89bf645cc    5cb3    ls foodir     0               58B      21 hours ago   configured   agitated_hamilton
+a1d948a4b61d    5cb3    ls foodir     0               12B      21 hours ago   exited       laughing_wing
+eafe3e3c5bb3    5cb3    sleep 10000   0               72B      21 hours ago   exited       priceless_liskov
+
+Local Volumes space usage:
+
+VOLUME NAME   LINKS   SIZE
+data          1       0B
+
+$ podman system df --format "{{.Type}}\t{{.Total}}"
+Images          1
+Containers      5
+Local Volumes   1
+
+## SEE ALSO
+podman-system(1)
+
+## HISTORY
+March 2019, Originally compiled by Qi Wang (qiwan at redhat dot com)