add badge to show docker image pulls

Signed-off-by: Ankur Kothiwal <[email protected]>

README.md

@@ -4,6 +4,7 @@
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/5401/badge)](https://bestpractices.coreinfrastructure.org/projects/5401)
 [![Slack](https://img.shields.io/badge/Join%20Our%20Community-Slack-blue)](https://join.slack.com/t/kubearmor/shared_invite/zt-1ltmqdbc6-rSHw~LM6MesZZasmP2hAcA)
 [![Discussions](https://img.shields.io/badge/Got%20Questions%3F-Chat-Violet)](https://github.com/kubearmor/KubeArmor/discussions)
+[![Docker Downloads](https://img.shields.io/docker/pulls/kubearmor/kubearmor)](https://hub.docker.com/r/kubearmor/kubearmor)
 
 KubeArmor is a cloud-native runtime security enforcement system that restricts the behavior \(such as process execution, file access, and networking operations\) of pods, containers, and nodes (VMs) at the system level.