docs: add podman document

Signed-off-by: zhaoxinxin <[email protected]>

sidebars.js

@@ -1,3 +1,14 @@
+/**
+ * Creating a sidebar enables you to:
+ - create an ordered group of docs
+ - render a sidebar for each doc of that group
+ - provide next/previous navigation
+
+ The sidebars can be generated from the filesystem, or explicitly defined here.
+
+ Create as many sidebars as you want.
+ */
+
 module.exports = {
   docs: [
     {
@@ -88,7 +99,6 @@ module.exports = {
                 'operations/integrations/container-runtime/singularity',
                 'operations/integrations/container-runtime/docker',
                 'operations/integrations/container-runtime/cri-o',
-                'operations/integrations/container-runtime/podman',
                 'operations/integrations/container-runtime/nydus',
                 'operations/integrations/container-runtime/stargz',
               ],