docs: auto generate pouch cli/api/contributors docs via code

docs/api/HTTP_API.md

@@ -1332,6 +1332,14 @@ GET /images/search
 ```
 
 
+#### Parameters
+
+|Type|Name|Description|Schema|
+|---|---|---|---|
+|**Query**|**registry**  <br>*optional*|Search images from specified registry|string|
+|**Query**|**term**  <br>*required*|Term to search|string|
+
+
 #### Responses
 
 |HTTP Code|Description|Schema|

docs/commandline/pouch.md

@@ -48,6 +48,7 @@ pouch is a client side tool pouch to interact with daemon side process pouchd. F
 * [pouch rmi](pouch_rmi.md)	 - Remove one or more images by reference
 * [pouch run](pouch_run.md)	 - Create a new container and start it
 * [pouch save](pouch_save.md)	 - Save an image to a tar archive or STDOUT
+* [pouch search](pouch_search.md)	 - Search the images from specific registry
 * [pouch start](pouch_start.md)	 - Start one or more created or stopped containers
 * [pouch stats](pouch_stats.md)	 - Display a live stream of container(s) resource usage statistics
 * [pouch stop](pouch_stop.md)	 - Stop one or more running containers

docs/commandline/pouch_search.md

@@ -0,0 +1,68 @@
+## pouch search
+
+Search the images from specific registry
+
+### Synopsis
+
+
+Search the images from specific registry.
+
+```
+pouch search [OPTIONS] TERM
+```
+
+### Examples
+
+```
+$ pouch search nginx
+NAME                                                   DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED
+nginx                                                  Official build of Nginx.                        11403               [OK]
+jwilder/nginx-proxy                                    Automated Nginx reverse proxy for docker con…   1600                                    [OK]
+richarvey/nginx-php-fpm                                Container running Nginx + PHP-FPM capable of…   712                                     [OK]
+jrcs/letsencrypt-nginx-proxy-companion                 LetsEncrypt container to use with nginx as p…   509                                     [OK]
+webdevops/php-nginx                                    Nginx with PHP-FPM                              127                                     [OK]
+zabbix/zabbix-web-nginx-mysql                          Zabbix frontend based on Nginx web-server wi…   101                                     [OK]
+bitnami/nginx                                          Bitnami nginx Docker Image                      66                                      [OK]
+linuxserver/nginx                                      An Nginx container, brought to you by LinuxS…   61
+1and1internet/ubuntu-16-nginx-php-phpmyadmin-mysql-5   ubuntu-16-nginx-php-phpmyadmin-mysql-5          50                                      [OK]
+zabbix/zabbix-web-nginx-pgsql                          Zabbix frontend based on Nginx with PostgreS…   33                                      [OK]
+tobi312/rpi-nginx                                      NGINX on Raspberry Pi / ARM                     26                                      [OK]
+nginx/nginx-ingress                                    NGINX Ingress Controller for Kubernetes         20
+schmunk42/nginx-redirect                               A very simple container to redirect HTTP tra…   15                                      [OK]
+nginxdemos/hello                                       NGINX webserver that serves a simple page co…   14                                      [OK]
+blacklabelops/nginx                                    Dockerized Nginx Reverse Proxy Server.          12                                      [OK]
+wodby/drupal-nginx                                     Nginx for Drupal container image                12                                      [OK]
+centos/nginx-18-centos7                                Platform for running nginx 1.8 or building n…   10
+centos/nginx-112-centos7                               Platform for running nginx 1.12 or building …   9
+nginxinc/nginx-unprivileged                            Unprivileged NGINX Dockerfiles                  4
+1science/nginx                                         Nginx Docker images that include Consul Temp…   4                                       [OK]
+nginx/nginx-prometheus-exporter                        NGINX Prometheus Exporter                       4
+mailu/nginx                                            Mailu nginx frontend                            3                                       [OK]
+toccoag/openshift-nginx                                Nginx reverse proxy for Nice running on same…   1                                       [OK]
+ansibleplaybookbundle/nginx-apb                        An APB to deploy NGINX                          0                                       [OK]
+wodby/nginx                                            Generic nginx                                   0                                       [OK]
+
+```
+
+### Options
+
+```
+  -h, --help              help for search
+  -r, --registry string   set registry name
+```
+
+### Options inherited from parent commands
+
+```
+  -D, --debug              Switch client log level to DEBUG mode
+  -H, --host string        Specify connecting address of Pouch CLI (default "unix:///var/run/pouchd.sock")
+      --tlscacert string   Specify CA file of TLS
+      --tlscert string     Specify cert file of TLS
+      --tlskey string      Specify key file of TLS
+      --tlsverify          Use TLS and verify remote
+```
+
+### SEE ALSO
+
+* [pouch](pouch.md)	 - An efficient container engine
+