man page updated with examples of filter option

examples with filter added

Signed-off-by: Kunal Kushwaha <kunal.kushwaha@gmail.com>

completions/bash/podman

@@ -2816,9 +2816,12 @@ _podman_images_prune() {
 
 _podman_container_prune() {
     local options_with_args="
+	 --filter
     "
 
     local boolean_options="
+	 -f
+	 --force
      -h
 	 --help
   "

docs/source/markdown/podman-container-prune.1.md

@@ -20,6 +20,8 @@ Print usage statement
 Remove all stopped containers from local storage
 ```
 $ sudo podman container prune
+WARNING! This will remove all stopped containers.
+Are you sure you want to continue? [y/N] y
 878392adf2e6c5c9bb1fc19b69d37d2e98c8abf9d539c0bce4b15b46bbcce471
 37664467fbe3618bf9479c34393ac29c02696675addf1750f9e346581636cde7
 ed0c6468b8e1cb641b4621d1fe30cb477e1fefc5c0bceb66feaf2f7cb50e5962
@@ -28,6 +30,26 @@ fff1c5b6c3631746055ec40598ce8ecaa4b82aef122f9e3a85b03b55c0d06c23
 602d343cd47e7cb3dfc808282a9900a3e4555747787ec6723bb68cedab8384d5
 ```
 
+Remove all stopped containers from local storage without confirmation.
+```
+$ sudo podman container prune -f
+878392adf2e6c5c9bb1fc19b69d37d2e98c8abf9d539c0bce4b15b46bbcce471
+37664467fbe3618bf9479c34393ac29c02696675addf1750f9e346581636cde7
+ed0c6468b8e1cb641b4621d1fe30cb477e1fefc5c0bceb66feaf2f7cb50e5962
+6ac6c8f0067b7a4682e6b8e18902665b57d1a0e07e885d9abcd382232a543ccd
+fff1c5b6c3631746055ec40598ce8ecaa4b82aef122f9e3a85b03b55c0d06c23
+602d343cd47e7cb3dfc808282a9900a3e4555747787ec6723bb68cedab8384d5
+
+```
+
+Remove all stopped containers from local storage created within last 10 minutes
+```
+$ sudo podman container prune --filter until="10m"
+WARNING! This will remove all stopped containers.
+Are you sure you want to continue? [y/N] y
+3d366295e33d8cc612c4d873199bacadd55088d90d17dcafaa9a2d317ad50b4e
+```
+
 ## SEE ALSO
 podman(1), podman-ps