Merge pull request cheat#39 from ybudimirov/patch-1

Add kubectl

kubectl

@@ -0,0 +1,23 @@
+# Display list of all available commands
+kubectl -h
+
+# Display an explanation of a specific command
+kubectl command_name -h
+
+# Display complete list of supported resources
+kubectl api-resources
+
+# Display an explanation of a specific reource
+kubectl explain resource_name
+
+# Display an explanation of a specific field of resource
+kubectl explain resource_name.field_name
+
+# Display list of global command-line options
+kubectl options
+
+# Setup Kubectl autocomplete in bash(to use press Tab)
+source <(kubectl completion bash
+
+# Display all resources in all namespaces
+kubectl get all -A